World Resorts Iceland Reykjavik Weather

Reykjavik Sea Temperature in September

Average sea water temperature in September:
+50.6°F
Minimum sea water temperature in September: 56.7°F
Maximum sea water temperature in September: 46.4°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 51.9°F. The highest and lowest sea temperatures during the month were 53.4°F and 50.5°F.

Monthly sea water temperature in Reykjavik, °F

Which Iceland resorts have warmest sea in September?

Place name September 2026 September 2025
Reykjavik 51.9°F 53.7°F
Kopavogur 51.8°F 54.4°F
Tingvellir 51.5°F 51.6°F
Akureyri 47.7°F 48.2°F

Best time for vacation in Reykjavik

Sunniest months:
August 7 days
December 6 days
May 6 days
Warmest months:
July 55.4 °F
August 54.8 °F
June 52.0 °F
Warmest sea temp:
August 53.1 °F
July 52.5 °F
September 50.6 °F
Coldest months:
December 33.2 °F
January 33.3 °F
February 35.1 °F
Rainiest months:
September 9 days
January 8 days
April 7 days
Windiest months:
February 16.5 mph
January 15.7 mph
December 15.3 mph

Reykjavik on a weather map

Current weather
17:35
Reykjavik
+50°F
N 34 mph
Feels like: +43°F
Precip.: 72%
Places in Iceland:
Name
°F
Akureyri
+48°F
Kopavogur
+50°F
Reykjavik
+50°F
Tingvellir
+48°F
24 Hours Forecast
Reykjavik
Local time: 17:35
September 21, monday
1800
50°F
N
34 mph
2100
50°F
N
30 mph
September 22, tuesday
0000
50°F
N
23 mph
0300
48°F
N
22 mph
0600
48°F
N
22 mph
0900
46°F
NE
26 mph
1200
46°F
NE
34 mph
1500
48°F
NE
30 mph
Units of measurement: °C / °F