Thuwal weather in September
In September, Thuwal sees average daytime highs of 36°C and overnight lows near 28°C, with 0 mm of rain across 0 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 95% of the time in September, and the air most often feels miserable.
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 Thuwal's 3rd-clearest and 9th-windiest month. For the whole year in context, see Thuwal's year-round climate.
- Daytime high
- 36°
- 3rd warmest
- Overnight low
- 28°
- 10th coldest
- Rainfall
- 0 mm
- 0 wet days
- Daylight
- 12 h 06 min
- 6:14 AM – 6:22 PM
- Cloud cover
- 12%
- 3rd clearest
- Wind
- 15 km/h
- 9th windiest
- Solar energy
- 6.34 kWh/m²
- Travel score
- 3.0
- out of 10
Thuwal is human settlement in Saudi Arabia.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 36°C through the month.
A typical September day in Thuwal reaches about 36°C in the afternoon and slips back to 28°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 37°C. Set against its neighbours, September runs on par with August and about 1°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) | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 36 | 29 |
| 2 | 36 | 29 |
| 3 | 36 | 29 |
| 4 | 36 | 29 |
| 5 | 36 | 29 |
| 6 | 36 | 29 |
| 7 | 36 | 29 |
| 8 | 36 | 29 |
| 9 | 36 | 29 |
| 10 | 36 | 29 |
| 11 | 36 | 29 |
| 12 | 36 | 29 |
| 13 | 36 | 29 |
| 14 | 36 | 28 |
| 15 | 36 | 28 |
| 16 | 36 | 28 |
| 17 | 36 | 28 |
| 18 | 36 | 28 |
| 19 | 36 | 28 |
| 20 | 36 | 28 |
| 21 | 36 | 28 |
| 22 | 36 | 28 |
| 23 | 36 | 28 |
| 24 | 36 | 28 |
| 25 | 35 | 28 |
| 26 | 35 | 28 |
| 27 | 35 | 28 |
| 28 | 35 | 28 |
| 29 | 35 | 28 |
| 30 | 35 | 28 |
How September really feels in Thuwal
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.
Thuwal weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 20° | 16 | 2.2 | 10.8 | 8.3 |
| Feb | 28° / 21° | 2 | 0.6 | 11.2 | 8.4 |
| Mar | 29° / 22° | 3 | 0.6 | 11.8 | 7.2 |
| Apr | 32° / 24° | 3 | 0.5 | 12.5 | 5.6 |
| May | 34° / 26° | 1 | 0.2 | 13.1 | 4.0 |
| Jun | 35° / 27° | 0 | 0 | 13.3 | 3.3 |
| Jul | 36° / 29° | 0 | 0 | 13.2 | 2.6 |
| Aug | 36° / 30° | 0 | 0 | 12.8 | 2.6 |
| Sep | 36° / 28° | 0 | 0 | 12.1 | 3.0 |
| Oct | 34° / 27° | 2 | 0.5 | 11.5 | 3.8 |
| Nov | 31° / 24° | 29 | 2.2 | 10.9 | 5.6 |
| Dec | 29° / 22° | 12 | 2.2 | 10.7 | 7.3 |
Cloud cover in September
The sky is clear or mostly clear about 95% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 2%.
| 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 (%) | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| Cloudier (%) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 97 | 3 |
| 2 | 97 | 3 |
| 3 | 97 | 3 |
| 4 | 97 | 3 |
| 5 | 97 | 3 |
| 6 | 97 | 3 |
| 7 | 97 | 3 |
| 8 | 97 | 3 |
| 9 | 97 | 3 |
| 10 | 98 | 2 |
| 11 | 98 | 2 |
| 12 | 98 | 2 |
| 13 | 99 | 1 |
| 14 | 99 | 1 |
| 15 | 99 | 1 |
| 16 | 99 | 1 |
| 17 | 99 | 1 |
| 18 | 99 | 1 |
| 19 | 99 | 1 |
| 20 | 99 | 1 |
| 21 | 99 | 1 |
| 22 | 99 | 1 |
| 23 | 99 | 1 |
| 24 | 99 | 1 |
| 25 | 99 | 1 |
| 26 | 99 | 1 |
| 27 | 99 | 1 |
| 28 | 99 | 1 |
| 29 | 99 | 1 |
| 30 | 99 | 1 |
Chance of precipitation in September
Thuwal gets around 0 mm of rain over 0 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 0% 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 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 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 | 0 |
| 24 | 0 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
Humidity in September
Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the miserable band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 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 | 2 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Oppressive (%) | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 |
| Miserable (%) | 86 | 85 | 85 | 85 | 84 | 84 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 82 | 83 | 83 | 84 | 84 | 84 | 85 | 85 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 81 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 0 | 0 | 14 | 86 |
| 2 | 0 | 0 | 15 | 85 |
| 3 | 0 | 0 | 15 | 85 |
| 4 | 0 | 0 | 15 | 85 |
| 5 | 0 | 0 | 16 | 84 |
| 6 | 0 | 0 | 16 | 84 |
| 7 | 0 | 0 | 16 | 84 |
| 8 | 0 | 0 | 17 | 83 |
| 9 | 0 | 0 | 17 | 83 |
| 10 | 0 | 0 | 17 | 83 |
| 11 | 0 | 0 | 17 | 83 |
| 12 | 0 | 0 | 17 | 83 |
| 13 | 0 | 0 | 17 | 83 |
| 14 | 0 | 0 | 17 | 83 |
| 15 | 0 | 1 | 17 | 82 |
| 16 | 0 | 1 | 16 | 83 |
| 17 | 0 | 1 | 16 | 83 |
| 18 | 0 | 1 | 15 | 84 |
| 19 | 0 | 1 | 15 | 84 |
| 20 | 0 | 1 | 15 | 84 |
| 21 | 0 | 1 | 14 | 85 |
| 22 | 0 | 1 | 14 | 85 |
| 23 | 1 | 1 | 14 | 84 |
| 24 | 1 | 2 | 14 | 83 |
| 25 | 1 | 2 | 14 | 83 |
| 26 | 1 | 2 | 14 | 83 |
| 27 | 1 | 2 | 14 | 83 |
| 28 | 1 | 2 | 14 | 83 |
| 29 | 1 | 2 | 14 | 83 |
| 30 | 2 | 2 | 15 | 81 |
Wind in September
Winds average 15 km/h in September.
Across September, daily wind ranges from about 13 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 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 |
| 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 | 15 | light breeze |
| 11 | 15 | light breeze |
| 12 | 15 | light breeze |
| 13 | 15 | light breeze |
| 14 | 15 | light breeze |
| 15 | 15 | light breeze |
| 16 | 15 | light breeze |
| 17 | 15 | light breeze |
| 18 | 15 | light breeze |
| 19 | 14 | light breeze |
| 20 | 14 | 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 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
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 6:10 AM to 6:18 AM, and sunset from 6:37 PM to 6:07 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 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 |
| Sunrise (AM) | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 |
| Sunset (PM) | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 | 6:32 | 6:31 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 | 6:25 | 6:24 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:15 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:07 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 6:10 | 6:37 |
| 2 | 12.4 | 6:10 | 6:36 |
| 3 | 12.4 | 6:10 | 6:35 |
| 4 | 12.4 | 6:11 | 6:34 |
| 5 | 12.4 | 6:11 | 6:33 |
| 6 | 12.3 | 6:11 | 6:32 |
| 7 | 12.3 | 6:11 | 6:31 |
| 8 | 12.3 | 6:12 | 6:30 |
| 9 | 12.3 | 6:12 | 6:29 |
| 10 | 12.3 | 6:12 | 6:28 |
| 11 | 12.2 | 6:13 | 6:27 |
| 12 | 12.2 | 6:13 | 6:26 |
| 13 | 12.2 | 6:13 | 6:25 |
| 14 | 12.2 | 6:14 | 6:24 |
| 15 | 12.1 | 6:14 | 6:23 |
| 16 | 12.1 | 6:14 | 6:22 |
| 17 | 12.1 | 6:14 | 6:21 |
| 18 | 12.1 | 6:15 | 6:20 |
| 19 | 12.1 | 6:15 | 6:19 |
| 20 | 12.0 | 6:15 | 6:18 |
| 21 | 12.0 | 6:16 | 6:17 |
| 22 | 12.0 | 6:16 | 6:15 |
| 23 | 12.0 | 6:16 | 6:14 |
| 24 | 12.0 | 6:16 | 6:13 |
| 25 | 11.9 | 6:17 | 6:12 |
| 26 | 11.9 | 6:17 | 6:11 |
| 27 | 11.9 | 6:17 | 6:10 |
| 28 | 11.9 | 6:18 | 6:09 |
| 29 | 11.8 | 6:18 | 6:08 |
| 30 | 11.8 | 6:18 | 6:07 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 6.34 kWh/m².
For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 7.51 kWh/m² in May across the year — September's 6.34 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) | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 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 | 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 | 6.6 | Intense |
| 2 | 6.6 | Intense |
| 3 | 6.6 | Intense |
| 4 | 6.5 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.5 | Intense |
| 9 | 6.5 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.4 | Intense |
| 12 | 6.4 | Intense |
| 13 | 6.4 | Intense |
| 14 | 6.4 | 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 | 6.2 | Intense |
| 22 | 6.2 | Intense |
| 23 | 6.2 | Intense |
| 24 | 6.2 | Intense |
| 25 | 6.2 | Intense |
| 26 | 6.2 | Intense |
| 27 | 6.1 | Intense |
| 28 | 6.1 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
Hazard calendar for Thuwal
In September, Thuwal sits inside its dust season. The full year is below, with each hazard's peak months called out.
Thuwal sees seasonal dust haze (April–September), heaviest in June.
Is September a good time to visit Thuwal?
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 Thuwal. The water and warmth also suit a beach or pool day.
What to pack for Thuwal in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Thuwal sees daytime highs around 36°C and nights near 28°C. Pack light clothes and sun protection.
Sea temperature near Thuwal 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 offshore is warmest in August at about 31°C and coldest in February near 25°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) | 26 | 25 | 25 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 29 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 25 | Warm |
| Mar | 25 | Warm |
| Apr | 27 | Warm |
| May | 28 | Tropical |
| Jun | 29 | Tropical |
| Jul | 30 | Tropical |
| Aug | 31 | Tropical |
| Sep | 31 | Tropical |
| Oct | 31 | Tropical |
| Nov | 29 | Tropical |
| Dec | 27 | Warm |
UV index in Thuwal 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 Thuwal peaks around June 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 4 (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) | 6 | 8 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 6 | 4 |
| Level | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Very high |
| Apr | 10 | Extreme |
| May | 11 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 10 | Very high |
| Sep | 10 | Very high |
| Oct | 9 | Very high |
| Nov | 6 | High |
| Dec | 4 | Moderate |
Air quality in Thuwal 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 Thuwal is worst in March — around 40 µg/m³ PM2.5 (poor), 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) | 39 | 37 | 40 | 39 | 32 | 28 | 27 | 28 | 27 | 25 | 25 | 36 |
| Level | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 39 | Poor |
| Feb | 37 | Poor |
| Mar | 40 | Poor |
| Apr | 39 | Poor |
| May | 32 | Moderate |
| Jun | 28 | Moderate |
| Jul | 27 | Moderate |
| Aug | 28 | Moderate |
| Sep | 27 | Moderate |
| Oct | 25 | Moderate |
| Nov | 25 | Moderate |
| Dec | 36 | Poor |
Where is Thuwal?
Thuwal sits at 22.3°N, 39.1°E, 6 m above sea level, in Saudi Arabia. The nearest listed city is Khulayş, 26 km away.
Topography around Thuwal
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Thuwal.
Within 3 km, the terrain around Thuwal has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 104 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,568 m.
The land around Thuwal is covered by bare terrain (59%) and artificial surfaces (29%) within 3 km, bare terrain (60%) and water (37%) within 16 km, and bare terrain (66%) and water (32%) within 80 km.
Saudi Arabia travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type G
- 230 V · 60 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $34,537
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2019
- Road deaths
- 35.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 404
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 Thuwal (22.2827°, 39.1125°, elevation 6 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).