Reykjavik weather in September 2024

Expect 48°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Reykjavik in September. Check more long-term weather averages for Reykjavik in September before you book your next holiday to Iceland in 2024/2025.

  • 48°F maximum daytime temperature in September in Reykjavik48
    48°F max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in September in Reykjavik18
    18 days with some rainfall
  • 39°F minimum night-time temperature in September in Reykjavik39
    39°F min night temperature
  • 13 hours of daylight per day in September in Reykjavik13
    13 hours of daylight per day
  • No heat & humidity in September in Reykjavik0
    No heat & humidity
  • 3.4 inches monthly rainfall in September in Reykjavik3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Reykjavik2
    2 (Low) UV index
  • 50°F sea temperature in September in Reykjavik50
    50°F sea temperature

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The September weather guide for Iceland (Reykjavik) 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)  |  Imperial (°F)

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More about Iceland

How warm is it in Reykjavik in September?

Daytime temperatures usually reach 48°F in Reykjavik in September, falling to 39°F at night.

How sunny is it in Reykjavik in September?

There are normally 4 hours of bright sunshine each day in Reykjavik in September - that's 29% of daylight hours.

How warm is the sea around Reykjavik in September?

The average sea temperature around Reykjavik in September is 50°F.

Does it rain in Reykjavik in September?

There are usually 18 days with some rain in Reykjavik in September and the average monthly rainfall is 3.4 inches.

Reykjavik September sunrise & sunset times

Browse the sunrise and sunset times for Reykjavik in September 2024. Select a month to view Reykjavik sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:11 20:42
Sunday, 15th September 2024 06:52 19:52
Monday, 30th September 2024 07:35 18:58

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