Climate averages 1991–2020
Aden weather
in September.
A hot, fairly dry month: the 4th warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Aden: daytime highs average 33.9°C and nights cool to about 28.0°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 16 mm of rain on roughly 3 days, which makes September a fairly dry month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Taiz (142 km away). In September its highs average 28.5°C, 5.4°C cooler than Aden, with 116 mm of rain.
Among the 8 cities listed in Yemen, Aden ranks 2nd of 8 for the warmest September highs and 3rd of 8 for the driest September (rainfall, lowest first). The mean September high of those 8 cities is 29.1°C; Aden is 4.9°C warmer than that mean.
From September to October, average highs fall by 2.2°C to 31.7°C, and monthly rainfall stays at 16 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
Aden climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C21.7°C | 21.7°C | 8.7 | 2.7 | 11.511 h |
| February | 27.5°C21.7°C | 21.7°C | 4.2 | 1.0 | 11.712 h |
| March | 29.3°C23.2°C | 23.2°C | 3.8 | 1.1 | 12.112 h |
| April | 31.4°C25.1°C | 25.1°C | 6.8 | 1.0 | 12.412 h |
| May | 33.5°C27.1°C | 27.1°C | 11 | 1.9 | 12.713 h |
| June | 35.0°C28.6°C | 28.6°C | 7.2 | 0.5 | 12.913 h |
| July | 35.8°C28.9°C | 28.9°C | 10 | 0.9 | 12.813 h |
| August | 34.9°C28.4°C | 28.4°C | 24 | 3.1 | 12.513 h |
| September, selected | 33.9°C28.0°C | 28.0°C | 16 | 2.9 | 12.212 h |
| October | 31.7°C25.1°C | 25.1°C | 16 | 2.8 | 11.912 h |
| November | 29.7°C23.2°C | 23.2°C | 6.3 | 1.7 | 11.512 h |
| December | 27.8°C22.2°C | 22.2°C | 8.7 | 2.6 | 11.411 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
- Taiz in SeptemberYemen · 142 kmHigh 28.5°C · Low 19.9°C · 116 mm rain
- Ibb in SeptemberYemen · 161 kmHigh 25.1°C · Low 14.5°C · 113 mm rain
- Dhamār in SeptemberYemen · 208 kmHigh 23.5°C · Low 12.2°C · 35 mm rain
- Djibouti in SeptemberDjibouti · 245 kmHigh 36.6°C · Low 29.0°C · 9.6 mm rain
- Berbera in SeptemberSomalia · 260 kmHigh 36.6°C · Low 28.9°C · 3.9 mm rain
- Sanaa in SeptemberYemen · 300 kmHigh 27.2°C · Low 14.7°C · 22 mm rain
- Al Ḩudaydah in SeptemberYemen · 318 kmHigh 36.9°C · Low 29.3°C · 12 mm rain
- ‘Amrān in SeptemberYemen · 341 kmHigh 24.2°C · Low 14.6°C · 34 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 Aden) is explained once on the Aden year overview and on the Sources, method and limits page.