Büsum Weather in September
What's the weather like in Büsum (Schleswig-Holstein) in September 2025?
The climate in Büsum during September can be summarized as mild and a little damp.
September is in the fall / autumn in Büsum and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 17.7°C 63.8°F |
|---|---|
| Nightly temperature | 9.8°C 49.6°F |
| Average temperature | 13.7°C 56.7°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 17 days |
| Sea temperature | 16.8°C 62.3°F |
| Humidity | 83% |
| Windspeed | 16.6kph 10 mph |
On average September is the 4th wettest month of the year in Büsum with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
September temperatures in Büsum
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 Büsum in September 2025.
Other monthly averages
Best places to visit in September
Büsum weather stats
| Hottest month: | July | 20.6°C 69.1°F |
|---|---|---|
| Driest month: | February | 45mm 1.8ins |
| Sunniest month: | August | 7.3hrs |
| Coldest month: | January | 2.8°C 37°F |
| Wettest month: | August | 95mm 3.7ins |
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