Measurements:
°C
°F
Reykjavik
46°F
SW 12 mph
Feels like: 40°F
Precip: 23%
World Resorts Iceland Reykjavik Weather

7 Day Weather Forecast

09.29
tue
DAY
50°F
SW 16 mph
precip
73%
NIGHT
52°F
NW 19 mph
precip
28%
09.30
wed
DAY
52°F
W 11 mph
precip
27%
NIGHT
52°F
W 28 mph
precip
55%
10.01
thu
DAY
50°F
N 21 mph
precip
40%
NIGHT
50°F
NW 24 mph
precip
20%
10.02
fri
DAY
46°F
NW 29 mph
precip
33%
NIGHT
44°F
NW 6 mph
precip
41%
10.03
sat
DAY
46°F
SE 7 mph
precip
17%
NIGHT
44°F
NE 6 mph
precip
20%
10.04
sun
DAY
48°F
NW 30 mph
precip
34%
NIGHT
50°F
NE 22 mph
precip
77%
10.05
mon
DAY
48°F
N 8 mph
precip
36%
NIGHT
46°F
NE 21 mph
precip
38%

Reykjavik Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Reykjavik was 10.8°F. The maximum and minimum values were 10.0°F and 11.9°F respectively.

Reykjavik on the Weather Map

Best Time to Visit Reykjavik
The most sunny months:
August 7 days
December 6 days
May 6 days
The most warm months:
July 56.0 °F
August 55.3 °F
June 52.2 °F
Warmest sea temperature:
August 53.4 °F
July 52.8 °F
September 50.7 °F
The most cold months:
December 31.3 °F
January 31.5 °F
February 33.4 °F
The most rainy months:
September 8 days
January 8 days
April 7 days
The most windy months:
February 16 mph
January 16 mph
December 15 mph