Kosti Weather in September
What's the weather like in Kosti (White Nile State) in September 2025?
The climate in Kosti during September can be summarized as very hot and reasonably dry.
September is in the fall / autumn in Kosti and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 34.8°C 94.6°F |
|---|---|
| Nightly temperature | 22.6°C 72.7°F |
| Average temperature | 28.7°C 83.7°F |
| Daily sunshine | 7.8 hrs |
| Avg rainfall | 60 mm 2.3 ins |
| Rainy days | 6 days |
| Sea temperature | 27.8°C 82°F |
| Humidity | 64% |
| Windspeed | 7.2kph 5 mph |
On average September is the 3rd wettest month of the year in Kosti with around 60mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
September temperatures in Kosti
September rainfall
September hourly sunshine
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 Kosti in September 2025.
Other monthly averages
Best places to visit in September
Kosti weather stats
| Hottest month: | May | 40.1°C 104.2°F |
|---|---|---|
| Driest month: | January | 0mm 0ins |
| Sunniest month: | November | 10.6hrs |
| Coldest month: | January | 32.1°C 89.8°F |
| Wettest month: | August | 119mm 4.7ins |
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