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Norway weather in September 2025
Expect 57°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Norway in September. Check more long-term weather averages for Norway in September before you book your next holiday to Norway in 2025/2026.
- 57°F max day temperature
57 - 5 hours of sunshine per day
- 16 days with some rainfall
16 - 45°F min night temperature
45 - 13 hours of daylight per day
13 - No heat & humidity
0 - 3.7 inches of monthly rainfall
3.7 - 3 (Moderate) UV index
3 - 57°F sea temperature
57
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Recommended for Norway
The September weather guide for Norway (Oslo) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Norway destinations
Below are average maximum temperatures at popular countries, regions and places in Norway in September. Select a holiday destination to see more weather parameters.
All Norway destinations
- Alesund
- Alta
- Bergen
- Bodo
- Flam
- Fredrikstad
- Geiranger
- Hammerfest
- Haugesund
- Kristiansand
- Leknes
- Lillehammer
- Narvik
- Oslo
- Stavanger
- Svolvaer
- Tonsberg
- Tromso
- Trondheim
- Vadso
Metric (°C) | Imperial (°F)
More about Norway
How warm is it in Norway in September?
Daytime temperatures usually reach 57°F in Oslo, Norway in September, falling to 45°F at night.
How sunny is it in Norway in September?
There are normally 5 hours of bright sunshine each day in Oslo, Norway in September - that's 36% of daylight hours.
How warm is the sea around Norway in September?
The average sea temperature around Oslo, Norway in September is 57°F.
Does it rain in Norway in September?
There are usually 16 days with some rain in Oslo, Norway in September and the average monthly rainfall is 3.7 inches.
Norway September sunrise & sunset times
Browse the sunrise and sunset times for Norway in September 2025. Select a month to view Norway sunrise and sunset times for the next 12 months. The Norway sunrise and sunset times shown below are for Oslo.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 05:12 | 19:20 |
| Monday, 15th September 2025 | 05:45 | 18:38 |
| Tuesday, 30th September 2025 | 06:20 | 17:52 |
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