Climate averages 1991–2020
Jeddah 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 Jeddah: daytime highs average 34.5°C and nights cool to about 27.5°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 17 min on an average September day.
The nearest other city in this atlas is Makkah (67 km away). In September its highs average 38.6°C, 4.0°C warmer than Jeddah, with 3.9 mm of rain.
Among the 35 cities listed in Saudi Arabia, Jeddah ranks 28th 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; Jeddah is 1.5°C cooler than that mean.
From September to October, average highs fall by 1.2°C to 33.3°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
Jeddah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.5°C20.1°C | 20.1°C | 24 | 3.0 | 11.011 h |
| February | 27.3°C20.2°C | 20.2°C | 2.1 | 0.7 | 11.411 h |
| March | 28.9°C21.2°C | 21.2°C | 4.1 | 0.7 | 12.012 h |
| April | 31.3°C23.6°C | 23.6°C | 3.7 | 0.5 | 12.613 h |
| May | 33.7°C25.6°C | 25.6°C | 0.8 | 0.3 | 13.213 h |
| June | 34.7°C26.4°C | 26.4°C | 0 | 0.0 | 13.413 h |
| July | 35.4°C27.5°C | 27.5°C | 0.1 | 0.0 | 13.313 h |
| August | 35.4°C28.3°C | 28.3°C | 0.2 | 0.0 | 12.913 h |
| September, selected | 34.5°C27.5°C | 27.5°C | 0.1 | 0.0 | 12.312 h |
| October | 33.3°C26.1°C | 26.1°C | 3.2 | 0.4 | 11.712 h |
| November | 30.6°C24.1°C | 24.1°C | 26 | 2.4 | 11.111 h |
| December | 28.1°C21.9°C | 21.9°C | 14 | 2.6 | 10.911 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
- Makkah in SeptemberSaudi Arabia · 67 kmHigh 38.6°C · Low 25.7°C · 3.9 mm rain
- Ash Shafā in SeptemberSaudi Arabia · 126 kmHigh 27.6°C · Low 17.6°C · 26 mm rain
- Ta’if in SeptemberSaudi Arabia · 130 kmHigh 32.7°C · Low 22.6°C · 14 mm rain
- Rābigh in SeptemberSaudi Arabia · 146 kmHigh 37.2°C · Low 26.4°C · 0 mm rain
- Al Līth in SeptemberSaudi Arabia · 187 kmHigh 35.7°C · Low 28.4°C · 0.6 mm rain
- Al Bahah in SeptemberSaudi Arabia · 289 kmHigh 27.0°C · Low 17.7°C · 130 mm rain
- Port Sudan in SeptemberSudan · 292 kmHigh 37.8°C · Low 26.5°C · 0.9 mm rain
- Yanbu in SeptemberSaudi Arabia · 311 kmHigh 35.6°C · Low 26.8°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 Jeddah) is explained once on the Jeddah year overview and on the Sources, method and limits page.