Climate averages 1991–2020
Ha'il weather
in September.
A very hot, very dry month: the 4th warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Ha'il: daytime highs average 37.1°C and nights cool to about 22.6°C. By daytime temperature it is the 4th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 21 min on an average September day.
The nearest other city in this atlas is Ar Rass (257 km away). In September its highs average 39.4°C, 2.3°C warmer than Ha'il, with almost no rain (under 1 mm).
Among the 35 cities listed in Saudi Arabia, Ha'il ranks joint 17th of 35 for the warmest September highs and joint 13th of 35 for the driest September (rainfall, lowest first). The mean September high of those 35 cities is 36.0°C; Ha'il is 1.1°C warmer than that mean.
From September to October, average highs fall by 5.4°C to 31.7°C, and monthly rainfall rises from under 1 mm to 3.2 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ha'il climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.7°C4.4°C | 4.4°C | 8.5 | 1.8 | 10.611 h |
| February | 19.3°C6.1°C | 6.1°C | 8.0 | 1.3 | 11.211 h |
| March | 23.5°C9.7°C | 9.7°C | 12 | 2.2 | 12.012 h |
| April | 29.2°C14.7°C | 14.7°C | 11 | 2.9 | 12.813 h |
| May | 34.2°C19.7°C | 19.7°C | 4.3 | 1.1 | 13.513 h |
| June | 37.7°C22.9°C | 22.9°C | 0.1 | 0.0 | 13.814 h |
| July | 38.7°C24.3°C | 24.3°C | 0 | 0.0 | 13.714 h |
| August | 39.4°C25.2°C | 25.2°C | 0.1 | 0.0 | 13.113 h |
| September, selected | 37.1°C22.6°C | 22.6°C | 0.1 | 0.0 | 12.312 h |
| October | 31.7°C17.7°C | 17.7°C | 3.2 | 0.9 | 11.512 h |
| November | 22.9°C10.8°C | 10.8°C | 23 | 3.4 | 10.811 h |
| December | 18.3°C6.3°C | 6.3°C | 9.1 | 1.8 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Ar Rass in SeptemberSaudi Arabia · 257 kmHigh 39.4°C · Low 23.0°C · 0.1 mm rain
- Buraydah in SeptemberSaudi Arabia · 263 kmHigh 39.8°C · Low 23.4°C · 0.1 mm rain
- Unaizah in SeptemberSaudi Arabia · 278 kmHigh 39.2°C · Low 23.2°C · 0.1 mm rain
- Sakakah in SeptemberSaudi Arabia · 308 kmHigh 37.1°C · Low 22.1°C · 0.1 mm rain
- Az Zulfī in SeptemberSaudi Arabia · 338 kmHigh 39.4°C · Low 24.0°C · 0 mm rain
- Arar in SeptemberSaudi Arabia · 389 kmHigh 36.6°C · Low 21.9°C · 0 mm rain
- Madinah in SeptemberSaudi Arabia · 398 kmHigh 40.9°C · Low 25.0°C · 0.3 mm rain
- Ad Dawādimī in SeptemberSaudi Arabia · 430 kmHigh 37.5°C · Low 23.5°C · 0 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ha'il) is explained once on the Ha'il year overview and on the Sources, method and limits page.