Iceland weather in September 2019

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

Guide to Iceland weather in September

The average maximum daytime temperature in Iceland in September is a cool 9°C (48°F). The average night-time temperature is usually a cold 4°C (39°F). There are usually 4 hours of bright sunshine each day, which represents 29% of the 13 hours of daylight.

Expect 86mm (3.4 inches) of rainfall across the whole of September with 18 days with some rain falling. Maximum UV levels will be low (2 UV index) at midday when the skies are clear.

The average sea temperature in and around Iceland in September is 10°C (50°F).

The weather in Iceland in September is represented by Reykjavik.

Iceland sunrise & sunset times for September 2019

Browse the sunrise & sunset times for Iceland in September 2019. Select a month to view Iceland sunrise & sunset times for the next twelve months. The Iceland sunrise & sunset times shown below are for Reykjavik.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2019 06:09 20:44
Sunday, 15th September 2019 06:50 19:55
Monday, 30th September 2019 07:33 19:01
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