Jonstorp Weather in September
What's the weather like in Jonstorp (Västra Götaland) in September 2025?
The climate in Jonstorp during September can be summarized as mild and a little damp.
September is in the fall / autumn in Jonstorp and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 14.9°C 58.8°F |
|---|---|
| Nightly temperature | 6.9°C 44.4°F |
| Average temperature | 10.9°C 51.6°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 95 mm 3.7 ins |
| Rainy days | 15 days |
| Sea temperature | 15°C 59.1°F |
| Humidity | 82% |
| Windspeed | 17.3kph 11 mph |
On average September is the 3rd wettest month of the year in Jonstorp with around 95mm 3.7 inches of rain making it a a little damp 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.
September temperatures in Jonstorp
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 Jonstorp in September 2025.
Other monthly averages
Best places to visit in September
Jonstorp weather stats
| Hottest month: | July | 20°C 68°F |
|---|---|---|
| Driest month: | February | 49mm 1.9ins |
| Sunniest month: | June | 9.2hrs |
| Coldest month: | January | -0.9°C 30.4°F |
| Wettest month: | November | 98mm 3.9ins |
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