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Norway weather in September 2025
Expect 14°C 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.
- 14°C max day temperature
14 - 5 hours of sunshine per day
- 16 days with some rainfall
16 - 7°C min night temperature
7 - 13 hours of daylight per day
13 - No heat & humidity
0 - 94 mm of monthly rainfall
94 - 3 (Moderate) UV index
3 - 14°C sea temperature
14
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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 / mm) | Imperial (°F / inches)
More about Norway
How warm is it in Norway in September?
Daytime temperatures usually reach 14°C in Oslo, Norway in September, falling to 7°C 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 14°C.
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 94mm.
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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