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Alta weather in September 2025
Expect 10°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Alta in September. Check more long-term weather averages for Alta in September before you book your next holiday to Norway in 2025/2026.
- 1010°C max day temperature
- 3 hours of sunshine per day
- 1818 days with some rainfall
- 33°C min night temperature
- 1313 hours of daylight per day
- 0No heat & humidity
- 5858 mm of monthly rainfall
- 11 (Low) UV index
- 99°C sea temperature
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Recommended for Norway
The September weather guide for Norway (Alta) 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.
Metric (°C / mm) | Imperial (°F / inches)
More about Norway
How warm is it in Alta in September?
Daytime temperatures usually reach 10°C in Alta in September, falling to 3°C at night.
How sunny is it in Alta in September?
There are normally 3 hours of bright sunshine each day in Alta in September - that's 25% of daylight hours.
Is the sea cold around Alta in September?
The average sea temperature around Alta in September is 9°C.
Does it rain in Alta in September?
There are usually 18 days with some rain in Alta in September and the average monthly rainfall is 58mm.
Alta September sunrise & sunset times
Browse the sunrise and sunset times for Alta in September 2025. Select a month to view Alta sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 03:43 | 19:08 |
Monday, 15th September 2025 | 04:40 | 18:02 |
Tuesday, 30th September 2025 | 05:39 | 16:53 |
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