Hammerfest weather in September 2025

Expect 9°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Hammerfest in September. Check more long-term weather averages for Hammerfest in September before you book your next holiday to Norway in 2025/2026.

  • 9°C maximum daytime temperature in September in Hammerfest9
    9°C max day temperature
  • 3 hours of sunshine per day
  • 20 days with some rainfall in September in Hammerfest20
    20 days with some rainfall
  • 2°C minimum night-time temperature in September in Hammerfest2
    2°C min night temperature
  • 13 hours of daylight per day in September in Hammerfest13
    13 hours of daylight per day
  • No heat & humidity in September in Hammerfest0
    No heat & humidity
  • 63 mm monthly rainfall in September in Hammerfest63
    63 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Hammerfest1
    1 (Low) UV index
  • 9°C sea temperature in September in Hammerfest9
    9°C sea temperature

More about Hammerfest

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The September weather guide for Norway (Hammerfest) 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)

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More about Norway

How warm is it in Hammerfest in September?

Daytime temperatures usually reach 9°C in Hammerfest in September, falling to 2°C at night.

How sunny is it in Hammerfest in September?

There are normally 3 hours of bright sunshine each day in Hammerfest in September - that's 22% of daylight hours.

Is the sea cold around Hammerfest in September?

The average sea temperature around Hammerfest in September is 9°C.

Does it rain in Hammerfest in September?

There are usually 20 days with some rain in Hammerfest in September and the average monthly rainfall is 63mm.

Hammerfest September sunrise & sunset times

Browse the sunrise and sunset times for Hammerfest in September 2025. Select a month to view Hammerfest sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 03:37 19:11
Monday, 15th September 2025 04:36 18:02
Tuesday, 30th September 2025 05:38 16:50

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