Kjenn Weather in September
What's the weather like in Kjenn (Akershus county) in September 2025?
The climate in Kjenn during September can be summarized as mild and a little damp.
September is in the fall / autumn in Kjenn and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (43°F) is normal.
| Daytime temperature | 14°C 57.2°F |
|---|---|
| Nightly temperature | 6°C 42.8°F |
| Average temperature | 10°C 50°F |
| Daily sunshine | 5 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 16 days |
| Sea temperature | 15.2°C 59.3°F |
| Humidity | 77% |
| Windspeed | 15.8kph 10 mph |
On average September is the 2nd wettest month of the year in Kjenn with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 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 Kjenn
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 Kjenn in September 2025.
Other monthly averages
Best places to visit in September
Kjenn weather stats
| Hottest month: | July | 20.2°C 68.4°F |
|---|---|---|
| Driest month: | February | 45mm 1.8ins |
| Sunniest month: | June | 9.6hrs |
| Coldest month: | January | -2.7°C 27.1°F |
| Wettest month: | October | 97mm 3.8ins |
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