Climate averages 1991–2020
Sabt Alalayah weather
in September.
A hot, moderately wet month: the 4th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Sabt Alalayah: daytime highs average 28.6°C and nights cool to about 18.3°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 46 mm of rain on roughly 12 days, which makes September a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Al Bahah (71 km away). In September its highs average 27.0°C, 1.6°C cooler than Sabt Alalayah, with 130 mm of rain.
Among the 35 cities listed in Saudi Arabia, Sabt Alalayah ranks 32nd of 35 for the warmest September highs and 32nd of 35 for the driest September (rainfall, lowest first). The mean September high of those 35 cities is 36.0°C; Sabt Alalayah is 7.4°C cooler than that mean.
From September to October, average highs fall by 3.2°C to 25.4°C, and monthly rainfall falls from 46 mm to 15 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
Sabt Alalayah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 19.3°C9.9°C | 9.9°C | 32 | 4.9 | 11.111 h |
| February | 21.2°C11.0°C | 11.0°C | 17 | 3.0 | 11.511 h |
| March | 23.1°C12.8°C | 12.8°C | 24 | 5.1 | 12.012 h |
| April | 25.6°C15.3°C | 15.3°C | 28 | 7.0 | 12.613 h |
| May | 28.5°C17.8°C | 17.8°C | 37 | 11.8 | 13.013 h |
| June | 30.8°C19.6°C | 19.6°C | 19 | 6.4 | 13.313 h |
| July | 29.9°C19.3°C | 19.3°C | 21 | 7.3 | 13.213 h |
| August | 29.4°C19.0°C | 19.0°C | 53 | 14.5 | 12.813 h |
| September, selected | 28.6°C18.3°C | 18.3°C | 46 | 11.7 | 12.312 h |
| October | 25.4°C14.8°C | 14.8°C | 15 | 4.9 | 11.712 h |
| November | 22.5°C12.4°C | 12.4°C | 6.6 | 2.0 | 11.211 h |
| December | 20.5°C10.6°C | 10.6°C | 10 | 2.2 | 11.011 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
- Al Bahah in SeptemberSaudi Arabia · 71 kmHigh 27.0°C · Low 17.7°C · 130 mm rain
- Bariq in SeptemberSaudi Arabia · 72 kmHigh 35.4°C · Low 25.7°C · 70 mm rain
- Bīshah in SeptemberSaudi Arabia · 82 kmHigh 36.2°C · Low 20.5°C · 0 mm rain
- Abha in SeptemberSaudi Arabia · 162 kmHigh 24.6°C · Low 15.7°C · 190 mm rain
- Khamis Mushait in SeptemberSaudi Arabia · 163 kmHigh 29.2°C · Low 18.3°C · 35 mm rain
- Al Līth in SeptemberSaudi Arabia · 188 kmHigh 35.7°C · Low 28.4°C · 0.6 mm rain
- Ash Shafā in SeptemberSaudi Arabia · 239 kmHigh 27.6°C · Low 17.6°C · 26 mm rain
- Ta’if in SeptemberSaudi Arabia · 248 kmHigh 32.7°C · Low 22.6°C · 14 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 Sabt Alalayah) is explained once on the Sabt Alalayah year overview and on the Sources, method and limits page.