Tromso weather in September 2023

  • 9°C maximum daytime temperature in September in Tromso9
    9°C max day temperature
  • 3 hours of sunshine per day
  • 21 days with some rainfall in September in Tromso21
    21 days with some rainfall
  • 2°C minimum night-time temperature in September in Tromso2
    2°C min night temperature
  • 13 hours of daylight per day in September in Tromso13
    13 hours of daylight per day
  • No heat & humidity in September in Tromso0
    No heat & humidity
  • 94 mm monthly rainfall in September in Tromso94
    94 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in September in Tromso1
    1 (Low) UV index
  • 10°C sea temperature in September in Tromso10
    10°C sea temperature
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The September weather guide for Norway (Tromso) 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Norway

How warm is it in Tromso in September?

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

How sunny is it in Tromso in September?

There are normally 3 hours of bright sunshine each day in Tromso in September - that's 23% of daylight hours.

Is the sea cold around Tromso in September?

The average sea temperature around Tromso in September is 10°C.

Does it rain in Tromso in September?

There are usually 21 days with some rain in Tromso in September and the average monthly rainfall is 94mm.

Tromso September sunrise & sunset times

Browse the sunrise and sunset times for Tromso in September 2023. Select a month to view Tromso sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Friday, 1st September 2023 05:00 20:26
Friday, 15th September 2023 05:56 19:21
Saturday, 30th September 2023 06:54 18:13

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