The climate in Groningen during September can be summarized as very hot and a little damp.
September is in the fall / autumn in Groningen and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 32.8°C 91°F |
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Nightly temperature | 23.3°C 73.9°F |
Average temperature | 28°C 82.4°F |
Daily sunshine | 9.7 hrs |
Avg rainfall | 84 mm 3.3 ins |
Rainy days | 9 days |
Sea temperature | 28.3°C 82.9°F |
Humidity | 62% |
Windspeed | 5.8kph 4 mph |
On average September is the 2nd driest month of the year in Groningen with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 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 Groningen in September 2024.
Best places to visit in September
Hottest month: | September | 32.5°C 90.5°F |
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Driest month: | October | 80mm 3.1ins |
Sunniest month: | September | 9.7hrs |
Coldest month: | January | 29.6°C 85.3°F |
Wettest month: | May | 301mm 11.9ins |