Rūdsar weather in September
In September, Rūdsar sees average daytime highs of 25°C and overnight lows near 22°C, with 145 mm of rain across 12.8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.
Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels muggy.
Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Rūdsar's 4th-clearest and 10th-windiest month. For the whole year in context, see Rūdsar's year-round climate.
- Daytime high
- 25°
- 4th warmest
- Overnight low
- 22°
- 10th coldest
- Rainfall
- 145 mm
- 12.8 wet days
- Daylight
- 12 h 12 min
- 5:56 AM – 6:10 PM
- Cloud cover
- 45%
- 4th clearest
- Wind
- 10 km/h
- 10th windiest
- Solar energy
- 4.17 kWh/m²
- Travel score
- 6.6
- out of 10
Rūdsar is city in Gilan Province, Iran.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Highs ease over the month, from about 27°C in the first days to 24°C by the end.
A typical September day in Rūdsar reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°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) | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 23 |
| 2 | 27 | 23 |
| 3 | 27 | 23 |
| 4 | 27 | 23 |
| 5 | 26 | 23 |
| 6 | 26 | 23 |
| 7 | 26 | 23 |
| 8 | 26 | 23 |
| 9 | 26 | 23 |
| 10 | 26 | 22 |
| 11 | 26 | 22 |
| 12 | 26 | 22 |
| 13 | 25 | 22 |
| 14 | 25 | 22 |
| 15 | 25 | 22 |
| 16 | 25 | 22 |
| 17 | 25 | 22 |
| 18 | 25 | 22 |
| 19 | 25 | 21 |
| 20 | 25 | 21 |
| 21 | 24 | 21 |
| 22 | 24 | 21 |
| 23 | 24 | 21 |
| 24 | 24 | 21 |
| 25 | 24 | 21 |
| 26 | 24 | 21 |
| 27 | 24 | 20 |
| 28 | 24 | 20 |
| 29 | 23 | 20 |
| 30 | 23 | 20 |
Rūdsar weather by month
How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 11° / 8° | 123 | 13 | 1.2 | 9.7 | 2.7 |
| Feb | 11° / 7° | 116 | 12.5 | 1.6 | 10.6 | 2.4 |
| Mar | 13° / 9° | 106 | 13.5 | 0.4 | 11.7 | 3.3 |
| Apr | 16° / 12° | 74 | 10.6 | 0 | 12.9 | 5.0 |
| May | 21° / 17° | 41 | 7.7 | 0 | 14 | 6.9 |
| Jun | 25° / 22° | 46 | 6.6 | 0 | 14.5 | 7.8 |
| Jul | 28° / 24° | 49 | 7.1 | 0 | 14.3 | 7.1 |
| Aug | 28° / 25° | 60 | 8.8 | 0 | 13.4 | 6.6 |
| Sep | 25° / 22° | 145 | 12.8 | 0 | 12.3 | 6.6 |
| Oct | 22° / 18° | 189 | 14.8 | 0 | 11 | 6.0 |
| Nov | 17° / 14° | 186 | 14.5 | 0.2 | 10 | 4.8 |
| Dec | 13° / 10° | 136 | 13 | 0.5 | 9.5 | 3.5 |
Cloud cover in September
The sky is clear or mostly clear about 51% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.
| 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 (%) | 74 | 73 | 72 | 71 | 71 | 69 | 69 | 69 | 69 | 69 | 68 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 62 | 62 |
| Cloudier (%) | 26 | 27 | 28 | 29 | 29 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 38 | 38 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 74 | 26 |
| 2 | 73 | 27 |
| 3 | 72 | 28 |
| 4 | 71 | 29 |
| 5 | 71 | 29 |
| 6 | 69 | 31 |
| 7 | 69 | 31 |
| 8 | 69 | 31 |
| 9 | 69 | 31 |
| 10 | 69 | 31 |
| 11 | 68 | 32 |
| 12 | 68 | 32 |
| 13 | 68 | 32 |
| 14 | 67 | 33 |
| 15 | 67 | 33 |
| 16 | 67 | 33 |
| 17 | 67 | 33 |
| 18 | 67 | 33 |
| 19 | 67 | 33 |
| 20 | 67 | 33 |
| 21 | 67 | 33 |
| 22 | 66 | 34 |
| 23 | 66 | 34 |
| 24 | 65 | 35 |
| 25 | 65 | 35 |
| 26 | 64 | 36 |
| 27 | 64 | 36 |
| 28 | 64 | 36 |
| 29 | 62 | 38 |
| 30 | 62 | 38 |
Chance of precipitation in September
Rūdsar gets around 145 mm of rain over 12.8 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 42% and peaks near 47% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 38 | 38 | 39 | 39 | 40 | 40 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 45 | 45 | 46 | 46 | 47 | 47 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 38 |
| 2 | 38 |
| 3 | 39 |
| 4 | 39 |
| 5 | 40 |
| 6 | 40 |
| 7 | 41 |
| 8 | 41 |
| 9 | 41 |
| 10 | 41 |
| 11 | 41 |
| 12 | 41 |
| 13 | 41 |
| 14 | 41 |
| 15 | 41 |
| 16 | 41 |
| 17 | 42 |
| 18 | 42 |
| 19 | 42 |
| 20 | 43 |
| 21 | 43 |
| 22 | 43 |
| 23 | 44 |
| 24 | 45 |
| 25 | 45 |
| 26 | 46 |
| 27 | 46 |
| 28 | 47 |
| 29 | 47 |
| 30 | 47 |
Humidity in September
Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 72% 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 (%) | 0 | 0 | 0 | 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 | 2 | 2 |
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Humid (%) | 11 | 12 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 21 | 22 | 23 | 23 | 24 | 24 | 25 | 25 | 26 | 27 | 27 | 28 | 29 | 30 | 30 | 31 | 32 | 33 | 34 | 34 |
| Muggy (%) | 43 | 43 | 43 | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 45 | 46 | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 48 | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 40 |
| Oppressive (%) | 35 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 28 | 26 | 25 | 24 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 |
| Miserable (%) | 11 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 11 | 43 | 35 | 11 |
| 2 | 0 | 0 | 12 | 43 | 34 | 11 |
| 3 | 0 | 0 | 14 | 43 | 34 | 10 |
| 4 | 0 | 0 | 15 | 42 | 34 | 9 |
| 5 | 0 | 0 | 16 | 42 | 33 | 8 |
| 6 | 0 | 0 | 17 | 43 | 33 | 7 |
| 7 | 0 | 0 | 18 | 43 | 32 | 6 |
| 8 | 0 | 1 | 19 | 43 | 32 | 5 |
| 9 | 0 | 1 | 20 | 44 | 31 | 4 |
| 10 | 0 | 1 | 21 | 44 | 30 | 4 |
| 11 | 0 | 1 | 21 | 45 | 30 | 3 |
| 12 | 0 | 1 | 22 | 46 | 29 | 2 |
| 13 | 0 | 2 | 23 | 46 | 28 | 2 |
| 14 | 0 | 2 | 23 | 47 | 26 | 1 |
| 15 | 0 | 2 | 24 | 47 | 25 | 1 |
| 16 | 0 | 3 | 24 | 48 | 24 | 1 |
| 17 | 0 | 3 | 25 | 48 | 23 | 1 |
| 18 | 0 | 4 | 25 | 49 | 22 | 0 |
| 19 | 0 | 4 | 26 | 49 | 21 | 0 |
| 20 | 0 | 5 | 27 | 49 | 19 | 0 |
| 21 | 0 | 6 | 27 | 49 | 18 | 0 |
| 22 | 0 | 6 | 28 | 48 | 17 | 0 |
| 23 | 0 | 7 | 29 | 48 | 16 | 0 |
| 24 | 0 | 8 | 30 | 47 | 15 | 0 |
| 25 | 0 | 9 | 30 | 46 | 14 | 0 |
| 26 | 1 | 10 | 31 | 45 | 13 | 0 |
| 27 | 1 | 11 | 32 | 44 | 12 | 0 |
| 28 | 1 | 12 | 33 | 43 | 11 | 0 |
| 29 | 2 | 13 | 34 | 42 | 10 | 0 |
| 30 | 2 | 14 | 34 | 40 | 9 | 0 |
Wind in September
Winds average 10 km/h in September.
Across September, daily wind ranges from about 10 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 10 | calm |
| 8 | 10 | calm |
| 9 | 10 | calm |
| 10 | 10 | calm |
| 11 | 10 | calm |
| 12 | 10 | calm |
| 13 | 10 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:43 AM to 6:08 AM, and sunset from 6:34 PM to 5:48 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) | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 5:43 | 5:44 | 5:45 | 5:46 | 5:47 | 5:48 | 5:49 | 5:49 | 5:50 | 5:51 | 5:52 | 5:53 | 5:54 | 5:54 | 5:55 | 5:56 | 5:57 | 5:58 | 5:59 | 6:00 | 6:00 | 6:01 | 6:02 | 6:03 | 6:04 | 6:05 | 6:06 | 6:06 | 6:07 | 6:08 |
| Sunset (PM) | 6:34 | 6:32 | 6:31 | 6:29 | 6:27 | 6:26 | 6:24 | 6:23 | 6:21 | 6:20 | 6:18 | 6:17 | 6:15 | 6:13 | 6:12 | 6:10 | 6:09 | 6:07 | 6:05 | 6:04 | 6:02 | 6:01 | 5:59 | 5:57 | 5:56 | 5:54 | 5:53 | 5:51 | 5:50 | 5:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.8 | 5:43 | 6:34 |
| 2 | 12.8 | 5:44 | 6:32 |
| 3 | 12.8 | 5:45 | 6:31 |
| 4 | 12.7 | 5:46 | 6:29 |
| 5 | 12.7 | 5:47 | 6:27 |
| 6 | 12.6 | 5:48 | 6:26 |
| 7 | 12.6 | 5:49 | 6:24 |
| 8 | 12.6 | 5:49 | 6:23 |
| 9 | 12.5 | 5:50 | 6:21 |
| 10 | 12.5 | 5:51 | 6:20 |
| 11 | 12.4 | 5:52 | 6:18 |
| 12 | 12.4 | 5:53 | 6:17 |
| 13 | 12.4 | 5:54 | 6:15 |
| 14 | 12.3 | 5:54 | 6:13 |
| 15 | 12.3 | 5:55 | 6:12 |
| 16 | 12.2 | 5:56 | 6:10 |
| 17 | 12.2 | 5:57 | 6:09 |
| 18 | 12.2 | 5:58 | 6:07 |
| 19 | 12.1 | 5:59 | 6:05 |
| 20 | 12.1 | 6:00 | 6:04 |
| 21 | 12.0 | 6:00 | 6:02 |
| 22 | 12.0 | 6:01 | 6:01 |
| 23 | 11.9 | 6:02 | 5:59 |
| 24 | 11.9 | 6:03 | 5:57 |
| 25 | 11.9 | 6:04 | 5:56 |
| 26 | 11.8 | 6:05 | 5:54 |
| 27 | 11.8 | 6:06 | 5:53 |
| 28 | 11.7 | 6:06 | 5:51 |
| 29 | 11.7 | 6:07 | 5:50 |
| 30 | 11.7 | 6:08 | 5:48 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.17 kWh/m².
For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 6.34 kWh/m² in June across the year — September's 4.17 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) | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 4.0 | 3.9 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.6 | Bright |
| 6 | 4.6 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.2 | Bright |
| 15 | 4.2 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Moderate |
| 21 | 4.0 | Moderate |
| 22 | 3.9 | Moderate |
| 23 | 3.9 | Moderate |
| 24 | 3.9 | Moderate |
| 25 | 3.8 | Moderate |
| 26 | 3.8 | Moderate |
| 27 | 3.8 | Moderate |
| 28 | 3.7 | Moderate |
| 29 | 3.7 | Moderate |
| 30 | 3.7 | Moderate |
Hazard calendar for Rūdsar
In September, Rūdsar sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Rūdsar's rainy season runs September–March, when most of the year's rain falls.
Rūdsar sees seasonal dust haze (May), heaviest in May.
Is September a good time to visit Rūdsar?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Rūdsar for sightseeing.
What to pack for Rūdsar in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Rūdsar sees daytime highs around 25°C and nights near 22°C. Worth packing: light clothes and rain gear. About 13 days see rain.
Sea temperature near Rūdsar in September
The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 28°C and coldest in February near 10°C.
It's comfortable for a long swim from May 24 to Nov 5 — about 5.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 11 | 13 | 19 | 24 | 27 | 28 | 26 | 23 | 19 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Warm | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 11 | Bracing |
| Apr | 13 | Bracing |
| May | 19 | Cool |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 19 | Cool |
| Dec | 15 | Bracing |
UV index in Rūdsar in September
Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rūdsar peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 4 | 6 | 8 | 8 | 9 | 8 | 6 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Rūdsar 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 Rūdsar is worst in September — around 30 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 15 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 19 | 26 | 21 | 20 | 16 | 15 | 21 | 30 | 28 | 22 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 26 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 15 | Moderate |
| Aug | 21 | Moderate |
| Sep | 30 | Moderate |
| Oct | 28 | Moderate |
| Nov | 22 | Moderate |
| Dec | 18 | Moderate |
Where is Rūdsar?
Rūdsar sits at 37.1°N, 50.3°E, -23 m above sea level, in Iran. The nearest listed city is Amlash, 10 km away.
Topography around Rūdsar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rūdsar.
Within 3 km, the terrain around Rūdsar has only modest variations in elevation — a maximum elevation change of 16 m around an average of -22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 974 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,165 m.
The land around Rūdsar is covered by cropland (38%) and artificial surfaces (25%) within 3 km, water (37%), trees (26%) and cropland (25%) within 16 km, and water (48%) and trees (21%) 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 Rūdsar (37.137°, 50.2917°, elevation -23 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).