World Weather & Climate Information

Average weather September in Reykjavík (Capital Region), Iceland

The average minimum temperature (usually the minimum temperature is noted during the night) in Reykjavík in September is 5.0°C (41°F). The amount of rain in September is normal with an average of 67mm (2.6in). This month is known as a chilly month. The average maximum temperature lies around 10.0°C (50°F). With a water temperature of around 10.0°C (50°F), this is not the best month to swim. You will see the sun sometimes in this month, it has 125 hours of sun.

So what to wear in September? Visitors traveling to Reykjavík should plan on bringing a totally waterproof rain jacket since it will be raining some days. Plan on bringing your warm clothes and something that will protect you from the rain. It can be a bit chilly and rainy during this period.

Do these climate conditions match with when you want to go to Reykjavík? Find out where to stay here.

For other monthly weather averages and what to do in September look at the numbers below.

Monthly averages

°F
Min Temperature 41°F
Max Temperature 50°F
Water Temperature 50°F
Chance of Rain 63.3%
Precipitation 2.6in
Rainy Days 19
Windspeed 11.2mph
Humidity 79%
Sunshine Hours 125
Percentage Sunshine 27%

What to Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
6/10

More climate information for Reykjavík

Weather and Climate offers all the information you need to know about the climate in Reykjavík.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Iceland and climate and forecast data for all other countries in the world.

Cheapest month to fly to Reykjavík

Where to stay in Reykjavík

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