The climate in Khartoum during September can be summarized as very hot and dry.
September is in the fall / autumn in Khartoum and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a hot 39°C (102°F), whilst at night 26°C (78°F) is normal.
| Daytime temperature | 38.9°C 102°F |
|---|---|
| Nightly temperature | 25.7°C 78.3°F |
| Average temperature | 32.3°C 90.1°F |
| Daily sunshine | 9.5 hrs |
| Avg rainfall | 22 mm 0.9 ins |
| Rainy days | 3 days |
| Sea temperature | 27.7°C 81.9°F |
| Humidity | 40% |
| Windspeed | 7.6kph 5 mph |
On average September is the 3rd wettest month of the year in Khartoum with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Khartoum in September 2025.
Best places to visit in September
| Hottest month: | May | 41.5°C 106.7°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | December | 11hrs |
| Coldest month: | January | 30.3°C 86.5°F |
| Wettest month: | August | 68mm 2.7ins |