Climate averages 1991–2020
Yanbu weather
in September.
A very hot, very dry month: the joint 3rd warmest and one of the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a very hot month in Yanbu: daytime highs average 35.6°C and nights cool to about 26.8°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical September (one of the driest months of the year). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Madinah (163 km away). In September its highs average 40.9°C, 5.3°C warmer than Yanbu, with almost no rain (under 1 mm).
Among the 35 cities listed in Saudi Arabia, Yanbu ranks 24th of 35 for the warmest September highs and joint 1st of 35 for the driest September (rainfall, lowest first). The mean September high of those 35 cities is 36.0°C; Yanbu is 0.4°C cooler than that mean.
From September to October, average highs fall by 2.2°C to 33.5°C, and monthly rainfall rises from under 1 mm to 2.4 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
Yanbu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.2°C16.6°C | 16.6°C | 8.0 | 1.4 | 10.811 h |
| February | 26.2°C17.3°C | 17.3°C | 3.3 | 0.6 | 11.311 h |
| March | 28.1°C19.0°C | 19.0°C | 1.4 | 0.5 | 12.012 h |
| April | 30.5°C21.8°C | 21.8°C | 0.6 | 0.1 | 12.713 h |
| May | 33.6°C24.8°C | 24.8°C | 0.1 | 0.0 | 13.313 h |
| June | 35.7°C26.4°C | 26.4°C | 0 | 0.0 | 13.614 h |
| July | 35.6°C27.1°C | 27.1°C | 0 | 0.0 | 13.513 h |
| August | 36.2°C27.9°C | 27.9°C | 0 | 0.0 | 13.013 h |
| September, selected | 35.6°C26.8°C | 26.8°C | 0 | 0.0 | 12.312 h |
| October | 33.5°C24.8°C | 24.8°C | 2.4 | 0.3 | 11.612 h |
| November | 30.1°C21.3°C | 21.3°C | 18 | 1.7 | 11.011 h |
| December | 27.1°C18.4°C | 18.4°C | 11 | 1.3 | 10.711 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
- Madinah in SeptemberSaudi Arabia · 163 kmHigh 40.9°C · Low 25.0°C · 0.3 mm rain
- Rābigh in SeptemberSaudi Arabia · 175 kmHigh 37.2°C · Low 26.4°C · 0 mm rain
- Jeddah in SeptemberSaudi Arabia · 311 kmHigh 34.5°C · Low 27.5°C · 0.1 mm rain
- Makkah in SeptemberSaudi Arabia · 347 kmHigh 38.6°C · Low 25.7°C · 3.9 mm rain
- Ta’if in SeptemberSaudi Arabia · 396 kmHigh 32.7°C · Low 22.6°C · 14 mm rain
- Ash Shafā in SeptemberSaudi Arabia · 408 kmHigh 27.6°C · Low 17.6°C · 26 mm rain
- Al Līth in SeptemberSaudi Arabia · 494 kmHigh 35.7°C · Low 28.4°C · 0.6 mm rain
- Tabuk in SeptemberSaudi Arabia · 502 kmHigh 36.0°C · Low 19.2°C · 0.1 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 Yanbu) is explained once on the Yanbu year overview and on the Sources, method and limits page.