Sveio Weather in September
What's the weather like in Sveio (Hordaland) in September 2025?
The climate in Sveio during September can be summarized as mild and very wet.
September is in the fall / autumn in Sveio and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 9°C (47°F) is normal.
| Daytime temperature | 13.8°C 56.8°F |
|---|---|
| Nightly temperature | 8.5°C 47.2°F |
| Average temperature | 11.1°C 52°F |
| Daily sunshine | 3.9 hrs |
| Avg rainfall | 299 mm 11.8 ins |
| Rainy days | 26 days |
| Sea temperature | 13.9°C 57°F |
| Humidity | 80% |
| Windspeed | 15.8kph 10 mph |
On average September is the 2nd wettest month of the year in Sveio with around 299mm 11.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 26 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.9 hours of sunshine per day.
September temperatures in Sveio
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 Sveio in September 2025.
Other monthly averages
Best places to visit in September
Sveio weather stats
| Hottest month: | August | 16.8°C 62.2°F |
|---|---|---|
| Driest month: | April | 110mm 4.3ins |
| Sunniest month: | June | 8.2hrs |
| Coldest month: | February | 2.6°C 36.7°F |
| Wettest month: | October | 303mm 11.9ins |
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