Treungen Weather in September
What's the weather like in Treungen (Telemark county) in September 2025?
The climate in Treungen during September can be summarized as cool and wet.
September is in the fall / autumn in Treungen and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 5°C (41°F) is normal.
| Daytime temperature | 10.9°C 51.6°F |
|---|---|
| Nightly temperature | 5.1°C 41.2°F |
| Average temperature | 8°C 46.4°F |
| Daily sunshine | 4.7 hrs |
| Avg rainfall | 131 mm 5.1 ins |
| Rainy days | 17 days |
| Sea temperature | 15°C 59°F |
| Humidity | 79% |
| Windspeed | 19.8kph 12 mph |
On average September is the 2nd wettest month of the year in Treungen with around 131mm 5.1 inches of rain making it a wet 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 4.7 hours of sunshine per day.
September temperatures in Treungen
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 Treungen in September 2025.
Other monthly averages
Best places to visit in September
Treungen weather stats
| Hottest month: | July | 16.5°C 61.7°F |
|---|---|---|
| Driest month: | April | 60mm 2.4ins |
| Sunniest month: | June | 8.9hrs |
| Coldest month: | February | -4.1°C 24.6°F |
| Wettest month: | October | 146mm 5.7ins |
© Google