The climate in Vadstena during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Vadstena and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (44°F) is normal.
Daytime temperature | 15.5°C 59.9°F |
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Nightly temperature | 6.9°C 44.4°F |
Average temperature | 11.2°C 52.2°F |
Daily sunshine | 5 hrs |
Avg rainfall | 61 mm 2.4 ins |
Rainy days | 15 days |
Sea temperature | 14.6°C 58.3°F |
Humidity | 81% |
Windspeed | 15.1kph 9 mph |
On average September is the 3rd wettest month of the year in Vadstena with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 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 Vadstena in September 2025.
Best places to visit in September
Hottest month: | July | 21.1°C 70°F |
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Driest month: | March | 29mm 1.1ins |
Sunniest month: | June | 9.5hrs |
Coldest month: | February | -0.5°C 31.1°F |
Wettest month: | August | 68mm 2.7ins |