Iceland weather in September 2021

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Below are average maximum temperatures at popular destinations in Iceland in September. Select a destination to see more weather parameters.

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The September weather guide for Iceland 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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How warm is it in Iceland in September?

Daytime temperatures usually reach 9°C in Reykjavik, Iceland in September, falling to 4°C at night.

How sunny is it in Iceland in September?

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

Is the sea cold around Iceland in September?

The average sea temperature around Reykjavik, Iceland in September is 10°C.

Does it rain in Iceland in September?

There are usually 18 days with some rain in Reykjavik, Iceland in September and the average monthly rainfall is 86mm.

Iceland sunrise & sunset times for September 2021

Browse the sunrise & sunset times for Iceland in September 2021. Select a month to view Iceland sunrise & sunset times for the next twelve months. The Iceland sunrise & sunset times shown below are for Reykjavik.


Date Sunrise times Sunset times
Wednesday, 1st September 2021 06:10 20:43
Wednesday, 15th September 2021 06:51 19:53
Thursday, 30th September 2021 07:34 18:59
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Metric (°C / mm)  |  Imperial (°F / inches)

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