Rustaq weather in September
In September, Rustaq sees average daytime highs of 37°C and overnight lows near 28°C, with 2 mm of rain across 0.3 wet days and about 12.1 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 37°C through the month. The sky is clear or mostly clear about 91% of the time in September, and the air most often feels dry.
Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Rustaq's 2nd-clearest and 4th-windiest month. For the whole year in context, see Rustaq's year-round climate.
- Daytime high
- 37°
- 5th warmest
- Overnight low
- 28°
- 8th coldest
- Rainfall
- 2 mm
- 0.3 wet days
- Daylight
- 12 h 06 min
- 6:01 AM – 6:09 PM
- Cloud cover
- 12%
- 2nd clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 6.31 kWh/m²
- Travel score
- 2.0
- out of 10
Rustaq is city and province of Oman.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 37°C through the month.
A typical September day in Rustaq reaches about 37°C in the afternoon and slips back to 28°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 40°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°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) | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 |
| Avg low (°C) | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 38 | 29 |
| 2 | 38 | 29 |
| 3 | 38 | 28 |
| 4 | 38 | 28 |
| 5 | 38 | 28 |
| 6 | 38 | 28 |
| 7 | 38 | 28 |
| 8 | 38 | 28 |
| 9 | 38 | 28 |
| 10 | 37 | 28 |
| 11 | 37 | 28 |
| 12 | 37 | 28 |
| 13 | 37 | 28 |
| 14 | 37 | 28 |
| 15 | 37 | 28 |
| 16 | 37 | 28 |
| 17 | 37 | 27 |
| 18 | 37 | 27 |
| 19 | 37 | 27 |
| 20 | 37 | 27 |
| 21 | 37 | 27 |
| 22 | 37 | 27 |
| 23 | 37 | 27 |
| 24 | 37 | 27 |
| 25 | 37 | 27 |
| 26 | 37 | 27 |
| 27 | 36 | 27 |
| 28 | 36 | 26 |
| 29 | 36 | 26 |
| 30 | 36 | 26 |
How September really feels in Rustaq
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.
Rustaq weather by month
How September compares with the rest of the year at a glance. September is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 24° / 15° | 14 | 2.5 | 10.7 | 8.9 |
| Feb | 26° / 16° | 13 | 2.2 | 11.2 | 8.7 |
| Mar | 29° / 20° | 20 | 2.7 | 11.8 | 6.8 |
| Apr | 34° / 24° | 13 | 1.8 | 12.5 | 3.6 |
| May | 39° / 28° | 2 | 0.7 | 13.1 | 0.6 |
| Jun | 41° / 31° | 5 | 0.2 | 13.4 | 0.0 |
| Jul | 40° / 31° | 6 | 0.4 | 13.3 | 0.2 |
| Aug | 39° / 30° | 1 | 0.3 | 12.8 | 0.9 |
| Sep | 37° / 28° | 2 | 0.3 | 12.1 | 2.0 |
| Oct | 34° / 24° | 3 | 0.7 | 11.5 | 4.0 |
| Nov | 29° / 20° | 11 | 1.3 | 10.9 | 7.4 |
| Dec | 25° / 16° | 14 | 2.2 | 10.6 | 8.8 |
Cloud cover in September
The sky is clear or mostly clear about 91% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 4%. Skies tend to open up 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 (%) | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 |
| Cloudier (%) | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 92 | 8 |
| 2 | 93 | 7 |
| 3 | 93 | 7 |
| 4 | 93 | 7 |
| 5 | 93 | 7 |
| 6 | 93 | 7 |
| 7 | 93 | 7 |
| 8 | 94 | 6 |
| 9 | 95 | 5 |
| 10 | 95 | 5 |
| 11 | 95 | 5 |
| 12 | 96 | 4 |
| 13 | 96 | 4 |
| 14 | 96 | 4 |
| 15 | 96 | 4 |
| 16 | 97 | 3 |
| 17 | 98 | 2 |
| 18 | 98 | 2 |
| 19 | 98 | 2 |
| 20 | 98 | 2 |
| 21 | 98 | 2 |
| 22 | 98 | 2 |
| 23 | 98 | 2 |
| 24 | 98 | 2 |
| 25 | 98 | 2 |
| 26 | 98 | 2 |
| 27 | 98 | 2 |
| 28 | 98 | 2 |
| 29 | 98 | 2 |
| 30 | 98 | 2 |
Chance of precipitation in September
Rustaq gets around 2 mm of rain over 0.3 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 1% and peaks near 3% 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 (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 |
| Rain chance (%) | |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 1 |
| 24 | 1 |
| 25 | 1 |
| 26 | 2 |
| 27 | 2 |
| 28 | 2 |
| 29 | 2 |
| 30 | 3 |
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 27% of days. Sticky, muggy-or-worse air turns up on roughly 29% 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 (%) | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 22 | 23 | 25 | 26 | 28 | 30 | 32 | 33 | 35 | 36 | 37 | 39 | 40 | 41 | 42 | 42 |
| Comfortable (%) | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 |
| Humid (%) | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 25 | 24 | 24 | 23 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 17 |
| Muggy (%) | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
| Oppressive (%) | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 |
| Miserable (%) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 18 | 17 | 23 | 25 | 15 | 2 |
| 2 | 18 | 17 | 23 | 25 | 15 | 2 |
| 3 | 18 | 17 | 24 | 24 | 15 | 2 |
| 4 | 19 | 18 | 24 | 24 | 14 | 2 |
| 5 | 19 | 18 | 24 | 23 | 14 | 1 |
| 6 | 19 | 18 | 25 | 23 | 13 | 1 |
| 7 | 19 | 19 | 25 | 23 | 13 | 1 |
| 8 | 19 | 19 | 26 | 22 | 13 | 1 |
| 9 | 19 | 19 | 26 | 22 | 12 | 1 |
| 10 | 20 | 20 | 27 | 21 | 12 | 1 |
| 11 | 20 | 20 | 27 | 21 | 11 | 1 |
| 12 | 20 | 20 | 28 | 21 | 11 | 1 |
| 13 | 20 | 20 | 28 | 20 | 10 | 1 |
| 14 | 21 | 21 | 28 | 20 | 10 | 1 |
| 15 | 22 | 21 | 27 | 19 | 10 | 1 |
| 16 | 23 | 21 | 27 | 19 | 9 | 1 |
| 17 | 25 | 22 | 26 | 18 | 9 | 0 |
| 18 | 26 | 22 | 25 | 18 | 8 | 0 |
| 19 | 28 | 22 | 24 | 17 | 8 | 0 |
| 20 | 30 | 22 | 24 | 17 | 8 | 0 |
| 21 | 32 | 22 | 23 | 16 | 7 | 0 |
| 22 | 33 | 22 | 22 | 16 | 7 | 0 |
| 23 | 35 | 22 | 21 | 15 | 7 | 0 |
| 24 | 36 | 22 | 20 | 15 | 7 | 0 |
| 25 | 37 | 22 | 20 | 15 | 6 | 0 |
| 26 | 39 | 22 | 19 | 14 | 6 | 0 |
| 27 | 40 | 22 | 18 | 14 | 6 | 0 |
| 28 | 41 | 21 | 18 | 14 | 6 | 0 |
| 29 | 42 | 21 | 18 | 14 | 6 | 0 |
| 30 | 42 | 20 | 17 | 14 | 6 | 0 |
Wind in September
Winds average 8 km/h in September.
Across September, daily wind ranges from about 8 km/h on the calmest days to 8 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 30 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 42 minutes over September. Sunrise moves from 5:56 AM to 6:05 AM, and sunset from 6:24 PM to 5:54 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) | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunrise (AM) | 5:56 | 5:56 | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 |
| Sunset (PM) | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:58 | 5:57 | 5:56 | 5:55 | 5:54 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:56 | 6:24 |
| 2 | 12.5 | 5:56 | 6:23 |
| 3 | 12.4 | 5:56 | 6:22 |
| 4 | 12.4 | 5:57 | 6:21 |
| 5 | 12.4 | 5:57 | 6:20 |
| 6 | 12.4 | 5:57 | 6:19 |
| 7 | 12.3 | 5:58 | 6:18 |
| 8 | 12.3 | 5:58 | 6:17 |
| 9 | 12.3 | 5:58 | 6:16 |
| 10 | 12.3 | 5:59 | 6:15 |
| 11 | 12.2 | 5:59 | 6:14 |
| 12 | 12.2 | 5:59 | 6:13 |
| 13 | 12.2 | 6:00 | 6:12 |
| 14 | 12.2 | 6:00 | 6:11 |
| 15 | 12.2 | 6:00 | 6:10 |
| 16 | 12.1 | 6:01 | 6:09 |
| 17 | 12.1 | 6:01 | 6:08 |
| 18 | 12.1 | 6:01 | 6:06 |
| 19 | 12.1 | 6:02 | 6:05 |
| 20 | 12.0 | 6:02 | 6:04 |
| 21 | 12.0 | 6:02 | 6:03 |
| 22 | 12.0 | 6:03 | 6:02 |
| 23 | 12.0 | 6:03 | 6:01 |
| 24 | 11.9 | 6:03 | 6:00 |
| 25 | 11.9 | 6:04 | 5:59 |
| 26 | 11.9 | 6:04 | 5:58 |
| 27 | 11.9 | 6:04 | 5:57 |
| 28 | 11.9 | 6:05 | 5:56 |
| 29 | 11.8 | 6:05 | 5:55 |
| 30 | 11.8 | 6:05 | 5:54 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.31 kWh/m².
For context, solar energy here swings from a low near 4.37 kWh/m² to a high of 7.56 kWh/m² in May across the year — September's 6.31 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) | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 |
| 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 | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.5 | Intense |
| 2 | 6.5 | Intense |
| 3 | 6.5 | Intense |
| 4 | 6.4 | Intense |
| 5 | 6.4 | Intense |
| 6 | 6.4 | Intense |
| 7 | 6.4 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.3 | Intense |
| 15 | 6.3 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.3 | Intense |
| 22 | 6.3 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.2 | Intense |
| 28 | 6.2 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
Hazard calendar for Rustaq
In September, Rustaq sits inside its cyclone and dust season. The full year is below, with each hazard's peak months called out.
Rustaq sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Rustaq sees seasonal dust haze (April–September), heaviest in July.
Is September a good time to visit Rustaq?
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 Rustaq.
What to pack for Rustaq in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Rustaq sees daytime highs around 37°C and nights near 28°C. Pack light clothes and sun protection.
Sea temperature near Rustaq 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 54 km away) is warmest in June at about 32°C and coldest in February near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 24 | 23 | 25 | 27 | 30 | 32 | 32 | 31 | 31 | 30 | 28 | 25 |
| Comfort | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 24 | Refreshing |
| Feb | 23 | Refreshing |
| Mar | 25 | Warm |
| Apr | 27 | Warm |
| May | 30 | Tropical |
| Jun | 32 | Tropical |
| Jul | 32 | Tropical |
| Aug | 31 | Tropical |
| Sep | 31 | Tropical |
| Oct | 30 | Tropical |
| Nov | 28 | Tropical |
| Dec | 25 | Warm |
UV index in Rustaq in September
Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rustaq peaks around May 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).
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) | 7 | 9 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 10 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Air quality in Rustaq 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 Rustaq is worst in July — around 84 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (December, 25 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) | 28 | 33 | 37 | 43 | 48 | 57 | 84 | 67 | 44 | 31 | 27 | 25 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 28 | Moderate |
| Feb | 33 | Moderate |
| Mar | 37 | Poor |
| Apr | 43 | Poor |
| May | 48 | Poor |
| Jun | 57 | Unhealthy |
| Jul | 84 | Unhealthy |
| Aug | 67 | Unhealthy |
| Sep | 44 | Poor |
| Oct | 31 | Moderate |
| Nov | 27 | Moderate |
| Dec | 25 | Moderate |
Where is Rustaq?
Rustaq sits at 23.4°N, 57.4°E, 341 m above sea level, in Oman. The nearest listed city is Bahla, 47 km away.
Topography around Rustaq
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Rustaq.
Within 3 km, the terrain around Rustaq has large variations in elevation — a maximum elevation change of 1,070 m around an average of 474 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,776 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.
The land around Rustaq is covered by bare terrain (74%) within 3 km, bare terrain (93%) within 16 km, and bare terrain (79%) within 80 km.
Oman travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type G
- 240 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $19,947
- 2025
- Happiness
- 6.2 / 10
- World Happiness, 2025
- Safe drinking water
- 91%
- of population, 2024
- Homicide rate
- 0.1
- per 100k, 2023
- Road deaths
- 10.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 407
- 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 Rustaq (23.3908°, 57.4244°, elevation 341 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).