Rovaniemi weather in September 2025

Expect daytime maximum temperatures of 10°C in Rovaniemi in September based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 58 mm of rainfall in the month.

  • 10°C maximum daytime temperature in September in Rovaniemi10
    10°C max day temperature
  • 3 hours of sunshine per day
  • 17 days with some rainfall in September in Rovaniemi17
    17 days with some rainfall
  • 4°C minimum night-time temperature in September in Rovaniemi4
    4°C min night temperature
  • 13 hours of daylight per day in September in Rovaniemi13
    13 hours of daylight per day
  • No heat & humidity in September in Rovaniemi0
    No heat & humidity
  • 58 mm monthly rainfall in September in Rovaniemi58
    58 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Rovaniemi2
    2 (Low) UV index

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The September weather guide for Finland (Rovaniemi) 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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How warm is it in Rovaniemi in September?

Daytime temperatures usually reach 10°C in Rovaniemi in September, falling to 4°C at night.

How sunny is it in Rovaniemi in September?

There are normally 3 hours of bright sunshine each day in Rovaniemi in September - that's 25% of daylight hours.

Does it rain in Rovaniemi in September?

There are usually 17 days with some rain in Rovaniemi in September and the average monthly rainfall is 58mm.

Rovaniemi September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 04:51 19:41
Monday, 15th September 2025 05:37 18:46
Tuesday, 30th September 2025 06:25 17:47

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