The climate in Cuxhaven during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Cuxhaven 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 | 17.8°C 64.1°F | 
|---|---|
| Nightly temperature | 9.7°C 49.5°F | 
| Average temperature | 13.8°C 56.8°F | 
| Daily sunshine | 5 hrs | 
| Avg rainfall | 78 mm 3.1 ins | 
| Rainy days | 16 days | 
| Sea temperature | 17°C 62.6°F | 
| Humidity | 83% | 
| Windspeed | 15.8kph 10 mph | 
On average September is the 4th wettest month of the year in Cuxhaven with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 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 Cuxhaven in September 2025.
Best places to visit in September
| Hottest month: | July | 20.8°C 69.4°F | 
|---|---|---|
| Driest month: | March | 45mm 1.8ins | 
| Sunniest month: | August | 7.2hrs | 
| Coldest month: | January | 2.9°C 37.2°F | 
| Wettest month: | August | 90mm 3.5ins | 
 
	 
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