The climate in Etnesjøen during September can be summarized as cool and very wet.
September is in the fall / autumn in Etnesjøen and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night 7°C (44°F) is normal.
Daytime temperature | 11.7°C 53°F |
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Nightly temperature | 6.6°C 43.8°F |
Average temperature | 9.1°C 48.4°F |
Daily sunshine | 3.8 hrs |
Avg rainfall | 290 mm 11.4 ins |
Rainy days | 26 days |
Sea temperature | 13.9°C 57°F |
Humidity | 80% |
Windspeed | 16.6kph 10 mph |
On average September is the 2nd wettest month of the year in Etnesjøen with around 290mm 11.4 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 3.8 hours of sunshine per day.
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 Etnesjøen in September 2025.
Best places to visit in September
Hottest month: | July | 15.7°C 60.3°F |
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Driest month: | April | 98mm 3.9ins |
Sunniest month: | June | 8.1hrs |
Coldest month: | January | -0.3°C 31.5°F |
Wettest month: | October | 296mm 11.7ins |