Isafjordhur weather in September 2025

Expect 6°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Isafjordhur in September. Check more long-term weather averages for Isafjordhur in September before you book your next holiday to Iceland in 2025/2026.

  • 6°C maximum daytime temperature in September in Isafjordhur6
    6°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in September in Isafjordhur18
    18 days with some rainfall
  • 2°C minimum night-time temperature in September in Isafjordhur2
    2°C min night temperature
  • 13 hours of daylight per day in September in Isafjordhur13
    13 hours of daylight per day
  • No heat & humidity in September in Isafjordhur0
    No heat & humidity
  • 93 mm monthly rainfall in September in Isafjordhur93
    93 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in September in Isafjordhur2
    2 (Low) UV index
  • 8°C sea temperature in September in Isafjordhur8
    8°C sea temperature

More about Isafjordhur

Isafjordhur by month

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The September weather guide for Iceland (Isafjordhur) 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 Iceland

How cold is it in Isafjordhur in September?

Daytime temperatures usually reach 6°C in Isafjordhur in September, falling to 2°C at night.

How sunny is it in Isafjordhur in September?

There are normally 3 hours of bright sunshine each day in Isafjordhur in September - that's 21% of daylight hours.

Is the sea cold around Isafjordhur in September?

The average sea temperature around Isafjordhur in September is 8°C.

Does it rain in Isafjordhur in September?

There are usually 18 days with some rain in Isafjordhur in September and the average monthly rainfall is 93mm.

Isafjordhur September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:08 20:54
Monday, 15th September 2025 06:53 20:00
Tuesday, 30th September 2025 07:41 19:02

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