Reykjavík Weather in September

What's the weather like in Reykjavík (Capital Region) in September 2024?

The climate in Reykjavík during September can be summarized as cool and a little damp.

September is in the fall / autumn in Reykjavík and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 9°C (48°F), whilst at night 4°C (39°F) is normal.

Reykjavík weather averages (imperial / metric)
Daytime temperature 9.1°C 48.4°F
Nightly temperature 3.9°C 39°F
Average temperature 6.5°C 43.7°F
Daily sunshine 4.3 hrs
Avg rainfall 86 mm 3.4 ins
Rainy days 18 days
Sea temperature 9.4°C 48.8°F
Humidity 81%
Windspeed 19.4kph 12 mph

On average September is the 6th driest month of the year in Reykjavík with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.3 hours of sunshine per day.

September temperatures in Reykjavík

Reykjavík average temperature in September

September rainfall

Reykjavík average rain in September

September hourly sunshine

Reykjavík average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Reykjavík in September 2024.

Other monthly averages

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Reykjavík weather stats

Reykjavík weather statistics
Hottest month: July 12.6°C 54.7°F
Driest month: May 60mm 2.4ins
Sunniest month: May 3.1hrs
Coldest month: January 0.8°C 33.4°F
Wettest month: October 115mm 4.5ins
Map showing location of Reykjavík (64.13548, -21.89541) Reykjavík map pin © Google

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