Reykjavik weather in September 2021

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9
9°C max day temperature
4
4 hours of sunshine per day
18
18 days with some rainfall
4
4°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
86
86 mm of monthly rainfall
2
2 (Low) UV index
10
10°C sea temperature

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The September weather guide for Reykjavik, 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 Reykjavik in September?

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

Is the sea cold around Reykjavik in September?

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

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 86mm.

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

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Reykjavik sunrise & sunset times for September 2021

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

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