2026 Climate Averages

Weather in Reykjavík in September

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

September is a wet time to visit Reykjavík. Reykjavík has a Cool climate with average yearly highs of 9°C, lows of 4°C, and approximately 21 rainy days per month.

Avg High

9°C

Avg Low

4°C

Rainy days

21days

Daylight

13.2h

Is September a good time to visit Reykjavík?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Daylight

Sunrise

6:48 AM

Sunset

8:01 PM

Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 2°C -3°C 24 Wet
February 1°C -3°C 14 Wet
March 2°C -3°C 18 Wet
April 6°C 1°C 14 Wet
May 9°C 4°C 17 Wet
June 13°C 7°C 16 Excellent (best)
July 13°C 8°C 10 Excellent (best)
August 13°C 9°C 19 Excellent (best)
September 9°C 4°C 21 Wet
October 7°C 2°C 13 Wet
November 3°C -1°C 15 Wet
December 3°C -2°C 16 Wet

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for September

Warm coat, scarf, gloves, thermal layers, and waterproof boots.

Climate: Cool
Travel Context Brisk but pleasant—ideal for hiking or city walks with a light jacket.

Planning a trip to Reykjavík?

Common Questions

Is September a good time to visit Reykjavík? +

September is typically Wet for visiting Reykjavík, with average highs of 9°C and around 21 rainy days.

What should I pack for Reykjavík in September? +

With highs of 9°C and lows of 4°C in {month}, we recommend: Warm coat, scarf, gloves, thermal layers, and waterproof boots.

Does it rain a lot in Reykjavík in September? +

Reykjavík typically sees around 21 rainy days in September.

How many hours of daylight are there in Reykjavík in September? +

In September, Reykjavík gets approximately 13.2 hours of daylight per day.

Is September peak season in Reykjavík? +

No, September is not peak season in Reykjavík. Expect better value on accommodation and fewer tourists.

What is the best month to visit Reykjavík? +

The best months to visit Reykjavík are June, July, August, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Atlantic/Reykjavik)

Last Updated: January 2026

More Reykjavík Guides

Best Time to Visit

Coming soon

Things to Do

Coming soon

Itineraries

Coming soon

Overview

Complete travel guide for Reykjavík: top things to do, itineraries, and typical costs.

Read Full Guide

September

/
View Full Destination Guide