Khorramshahr weather in September
In September, Khorramshahr sees average daytime highs of 43°C and overnight lows near 27°C, with 0 mm of rain across 0.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.
Highs ease over the month, from about 45°C in the first days to 41°C by the end. The sky is clear or mostly clear about 99% of the time in September, and the air most often feels dry.
Daylight stretches from about 12 h 36 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Khorramshahr's 2nd-clearest and 5th-windiest month. For the whole year in context, see Khorramshahr's year-round climate.
- Daytime high
- 43°
- 4th warmest
- Overnight low
- 27°
- 9th coldest
- Rainfall
- 0 mm
- 0.1 wet days
- Daylight
- 12 h 12 min
- 6:06 AM – 6:17 PM
- Cloud cover
- 2%
- 2nd clearest
- Wind
- 15 km/h
- 5th windiest
- Solar energy
- 6.38 kWh/m²
- Travel score
- 0.0
- out of 10
Khorramshahr is city in Khuzestan Province, Iran.
- Density
- 3,912/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 45°C in the first days to 41°C by the end.
A typical September day in Khorramshahr reaches about 43°C in the afternoon and slips back to 27°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 40°C and 46°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 44 | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 40 | 40 |
| Avg low (°C) | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 45 | 30 |
| 2 | 45 | 29 |
| 3 | 45 | 29 |
| 4 | 45 | 29 |
| 5 | 45 | 29 |
| 6 | 45 | 29 |
| 7 | 44 | 29 |
| 8 | 44 | 28 |
| 9 | 44 | 28 |
| 10 | 44 | 28 |
| 11 | 44 | 28 |
| 12 | 44 | 28 |
| 13 | 43 | 27 |
| 14 | 43 | 27 |
| 15 | 43 | 27 |
| 16 | 43 | 27 |
| 17 | 43 | 27 |
| 18 | 43 | 27 |
| 19 | 42 | 26 |
| 20 | 42 | 26 |
| 21 | 42 | 26 |
| 22 | 42 | 26 |
| 23 | 42 | 26 |
| 24 | 41 | 26 |
| 25 | 41 | 25 |
| 26 | 41 | 25 |
| 27 | 41 | 25 |
| 28 | 41 | 25 |
| 29 | 40 | 25 |
| 30 | 40 | 25 |
How September really feels in Khorramshahr
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Khorramshahr weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 19° / 9° | 38 | 5.3 | 10.3 | 7.1 |
| Feb | 22° / 11° | 21 | 3.4 | 10.9 | 8.1 |
| Mar | 27° / 15° | 25 | 3.4 | 11.8 | 7.8 |
| Apr | 34° / 21° | 10 | 1.9 | 12.7 | 4.0 |
| May | 41° / 27° | 4 | 0.7 | 13.5 | 0.4 |
| Jun | 45° / 30° | 0 | 0.1 | 13.9 | 0.0 |
| Jul | 47° / 32° | 0 | 0.1 | 13.8 | 0.0 |
| Aug | 47° / 31° | 0 | 0.1 | 13.1 | 0.0 |
| Sep | 43° / 27° | 0 | 0.1 | 12.2 | 0.0 |
| Oct | 36° / 22° | 6 | 0.7 | 11.3 | 2.4 |
| Nov | 27° / 15° | 41 | 3.7 | 10.5 | 7.5 |
| Dec | 20° / 10° | 37 | 4.8 | 10.1 | 7.6 |
Cloud cover in September
The sky is clear or mostly clear about 99% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 0%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 97 | 97 |
| Cloudier (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 100 | 0 |
| 2 | 100 | 0 |
| 3 | 100 | 0 |
| 4 | 100 | 0 |
| 5 | 100 | 0 |
| 6 | 100 | 0 |
| 7 | 100 | 0 |
| 8 | 100 | 0 |
| 9 | 100 | 0 |
| 10 | 100 | 0 |
| 11 | 100 | 0 |
| 12 | 100 | 0 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 98 | 2 |
| 29 | 97 | 3 |
| 30 | 97 | 3 |
Chance of precipitation in September
Khorramshahr gets around 0 mm of rain over 0.1 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 0% and peaks near 1% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Rain chance (%) | |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 0 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 1 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 73 | 74 | 77 | 77 | 77 | 77 | 79 | 80 | 80 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 81 | 81 | 81 | 80 | 80 | 79 |
| Comfortable (%) | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Humid (%) | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 |
| Muggy (%) | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Oppressive (%) | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Miserable (%) | 4 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 73 | 7 | 6 | 5 | 6 | 4 |
| 2 | 74 | 7 | 6 | 5 | 5 | 3 |
| 3 | 77 | 6 | 5 | 4 | 5 | 3 |
| 4 | 77 | 6 | 5 | 4 | 5 | 3 |
| 5 | 77 | 6 | 5 | 4 | 5 | 3 |
| 6 | 77 | 6 | 5 | 4 | 5 | 3 |
| 7 | 79 | 6 | 5 | 4 | 4 | 2 |
| 8 | 80 | 6 | 4 | 4 | 4 | 2 |
| 9 | 80 | 6 | 4 | 4 | 4 | 2 |
| 10 | 81 | 5 | 4 | 4 | 4 | 2 |
| 11 | 81 | 5 | 5 | 4 | 3 | 2 |
| 12 | 81 | 5 | 5 | 4 | 3 | 2 |
| 13 | 81 | 5 | 5 | 5 | 3 | 1 |
| 14 | 81 | 5 | 5 | 5 | 3 | 1 |
| 15 | 81 | 5 | 5 | 5 | 3 | 1 |
| 16 | 81 | 5 | 5 | 5 | 3 | 1 |
| 17 | 81 | 5 | 5 | 5 | 3 | 1 |
| 18 | 82 | 5 | 5 | 5 | 2 | 1 |
| 19 | 82 | 5 | 5 | 5 | 2 | 1 |
| 20 | 82 | 5 | 5 | 5 | 2 | 1 |
| 21 | 82 | 5 | 5 | 5 | 2 | 1 |
| 22 | 81 | 5 | 5 | 5 | 3 | 1 |
| 23 | 81 | 5 | 5 | 5 | 3 | 1 |
| 24 | 81 | 5 | 5 | 5 | 3 | 1 |
| 25 | 81 | 5 | 5 | 5 | 3 | 1 |
| 26 | 81 | 5 | 5 | 5 | 3 | 1 |
| 27 | 81 | 5 | 5 | 5 | 3 | 1 |
| 28 | 80 | 5 | 5 | 5 | 4 | 1 |
| 29 | 80 | 5 | 5 | 5 | 4 | 1 |
| 30 | 79 | 5 | 6 | 5 | 4 | 1 |
Wind in September
Winds average 15 km/h in September.
Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 15 | light breeze |
| 20 | 15 | light breeze |
| 21 | 14 | light breeze |
| 22 | 14 | light breeze |
| 23 | 14 | light breeze |
| 24 | 14 | light breeze |
| 25 | 14 | light breeze |
| 26 | 14 | light breeze |
| 27 | 14 | light breeze |
| 28 | 14 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 36 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 54 minutes over September. Sunrise moves from 5:58 AM to 6:14 AM, and sunset from 6:36 PM to 5:59 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.7 |
| Sunrise (AM) | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 |
| Sunset (PM) | 6:36 | 6:35 | 6:34 | 6:33 | 6:31 | 6:30 | 6:29 | 6:28 | 6:26 | 6:25 | 6:24 | 6:22 | 6:21 | 6:20 | 6:18 | 6:17 | 6:16 | 6:14 | 6:13 | 6:12 | 6:10 | 6:09 | 6:08 | 6:07 | 6:05 | 6:04 | 6:03 | 6:01 | 6:00 | 5:59 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 5:58 | 6:36 |
| 2 | 12.6 | 5:58 | 6:35 |
| 3 | 12.6 | 5:59 | 6:34 |
| 4 | 12.6 | 5:59 | 6:33 |
| 5 | 12.5 | 6:00 | 6:31 |
| 6 | 12.5 | 6:00 | 6:30 |
| 7 | 12.5 | 6:01 | 6:29 |
| 8 | 12.4 | 6:02 | 6:28 |
| 9 | 12.4 | 6:02 | 6:26 |
| 10 | 12.4 | 6:03 | 6:25 |
| 11 | 12.3 | 6:03 | 6:24 |
| 12 | 12.3 | 6:04 | 6:22 |
| 13 | 12.3 | 6:04 | 6:21 |
| 14 | 12.2 | 6:05 | 6:20 |
| 15 | 12.2 | 6:06 | 6:18 |
| 16 | 12.2 | 6:06 | 6:17 |
| 17 | 12.2 | 6:07 | 6:16 |
| 18 | 12.1 | 6:07 | 6:14 |
| 19 | 12.1 | 6:08 | 6:13 |
| 20 | 12.1 | 6:08 | 6:12 |
| 21 | 12.0 | 6:09 | 6:10 |
| 22 | 12.0 | 6:10 | 6:09 |
| 23 | 12.0 | 6:10 | 6:08 |
| 24 | 11.9 | 6:11 | 6:07 |
| 25 | 11.9 | 6:11 | 6:05 |
| 26 | 11.9 | 6:12 | 6:04 |
| 27 | 11.8 | 6:13 | 6:03 |
| 28 | 11.8 | 6:13 | 6:01 |
| 29 | 11.8 | 6:14 | 6:00 |
| 30 | 11.7 | 6:14 | 5:59 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².
For context, solar energy here swings from a low near 3.24 kWh/m² to a high of 7.82 kWh/m² in June across the year — September's 6.38 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.9 | Intense |
| 2 | 6.8 | Intense |
| 3 | 6.8 | Intense |
| 4 | 6.8 | Intense |
| 5 | 6.8 | Intense |
| 6 | 6.7 | Intense |
| 7 | 6.7 | Intense |
| 8 | 6.7 | Intense |
| 9 | 6.6 | Intense |
| 10 | 6.6 | Intense |
| 11 | 6.5 | Intense |
| 12 | 6.5 | Intense |
| 13 | 6.5 | Intense |
| 14 | 6.4 | Intense |
| 15 | 6.4 | Intense |
| 16 | 6.4 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.2 | Intense |
| 21 | 6.2 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
Hazard calendar for Khorramshahr
None of Khorramshahr's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Khorramshahr sees seasonal dust haze (March–July), heaviest in May.
Is September a good time to visit Khorramshahr?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Khorramshahr.
What to pack for Khorramshahr in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Khorramshahr sees daytime highs around 43°C and nights near 27°C. Pack light clothes and sun protection.
Sea temperature near Khorramshahr in September
The nearest coast averages about 31°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 66 km away) is warmest in August at about 32°C and coldest in February near 16°C.
It's comfortable for a long swim from Apr 1 to Dec 9 — about 8.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 16 | 18 | 22 | 26 | 29 | 31 | 32 | 31 | 28 | 24 | 19 |
| Comfort | Cool | Cool | Cool | Refreshing | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 16 | Cool |
| Mar | 18 | Cool |
| Apr | 22 | Refreshing |
| May | 26 | Warm |
| Jun | 29 | Tropical |
| Jul | 31 | Tropical |
| Aug | 32 | Tropical |
| Sep | 31 | Tropical |
| Oct | 28 | Tropical |
| Nov | 24 | Refreshing |
| Dec | 19 | Cool |
UV index in Khorramshahr in September
Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Khorramshahr peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 6 | 7 | 11 | 10 | 9 | 7 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Moderate | High | High | Extreme | Extreme | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Khorramshahr in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Khorramshahr is worst in April — around 70 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 68 | 64 | 70 | 70 | 67 | 54 | 55 | 59 | 62 | 66 | 62 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 68 | Unhealthy |
| Feb | 64 | Unhealthy |
| Mar | 70 | Unhealthy |
| Apr | 70 | Unhealthy |
| May | 67 | Unhealthy |
| Jun | 54 | Poor |
| Jul | 55 | Poor |
| Aug | 59 | Unhealthy |
| Sep | 62 | Unhealthy |
| Oct | 66 | Unhealthy |
| Nov | 62 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Khorramshahr?
Khorramshahr sits at 30.4°N, 48.2°E, 4 m above sea level, in Iran. The nearest listed city is Abadan, 16 km away.
Topography around Khorramshahr
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khorramshahr.
Within 3 km, the terrain around Khorramshahr has only modest variations in elevation — a maximum elevation change of 8 m around an average of 3 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 14 m; within 80 km, only modest variations in elevation — a maximum elevation change of 135 m.
The land around Khorramshahr is covered by artificial surfaces (49%) and bare terrain (30%) within 3 km, bare terrain (67%) within 16 km, and bare terrain (67%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Khorramshahr (30.4408°, 48.1843°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).