Den Haag Weather in September
What's the weather like in Den Haag (South Holland) in September 2025?
The climate in Den Haag during September can be summarized as mild and a little damp.
September is in the fall / autumn in Den Haag and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 18.1°C 64.5°F |
|---|---|
| Nightly temperature | 10.6°C 51°F |
| Average temperature | 14.3°C 57.7°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 82 mm 3.2 ins |
| Rainy days | 16 days |
| Sea temperature | 17.4°C 63.3°F |
| Humidity | 83% |
| Windspeed | 16.9kph 11 mph |
On average September is the 3rd wettest month of the year in Den Haag with around 82mm 3.2 inches of rain making it a a little damp 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.
September temperatures in Den Haag
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 Den Haag in September 2025.
Other monthly averages
Best places to visit in September
Den Haag weather stats
| Hottest month: | August | 20.7°C 69.3°F |
|---|---|---|
| Driest month: | February | 46mm 1.8ins |
| Sunniest month: | May | 7.4hrs |
| Coldest month: | January | 5.2°C 41.4°F |
| Wettest month: | November | 93mm 3.7ins |
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