Valle Weather in September
What's the weather like in Valle (Aust-Agder county) in September 2025?
The climate in Valle during September can be summarized as cool and damp.
September is in the fall / autumn in Valle and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 9°C 48.2°F |
|---|---|
| Nightly temperature | 3.8°C 38.8°F |
| Average temperature | 6.4°C 43.5°F |
| Daily sunshine | 4.4 hrs |
| Avg rainfall | 120 mm 4.7 ins |
| Rainy days | 17 days |
| Sea temperature | 14.5°C 58.2°F |
| Humidity | 79% |
| Windspeed | 19.8kph 12 mph |
On average September is the 2nd wettest month of the year in Valle with around 120mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
September temperatures in Valle
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 Valle in September 2025.
Other monthly averages
Best places to visit in September
Valle weather stats
| Hottest month: | July | 13.4°C 56.1°F |
|---|---|---|
| Driest month: | April | 48mm 1.9ins |
| Sunniest month: | June | 8.7hrs |
| Coldest month: | February | -4.6°C 23.7°F |
| Wettest month: | October | 131mm 5.2ins |
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