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 51.4°F. The highest and lowest sea temperatures during the month were 53.4°F and 49.8°F.
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Monthly sea water temperature in Reykjavik, °F
Which Iceland resorts have warmest sea in September?
| Place name | September 2026 | September 2025 |
|---|---|---|
| Reykjavik | 51.4°F | 53.7°F |
| Kopavogur | 51.3°F | 54.4°F |
| Tingvellir | 50.9°F | 51.6°F |
| Akureyri | 47.2°F | 48.2°F |
Best time for vacation in Reykjavik
Reykjavik on a weather map
24 Hours Forecast
Reykjavik
Local time: 21:02
October 13, tuesday
0000

46°F
N
21 mph
21 mph
0300

46°F
NW
17 mph
17 mph
0600

46°F
NW
14 mph
14 mph
0900

45°F
NW
14 mph
14 mph
1200

46°F
N
14 mph
14 mph
1500

46°F
N
13 mph
13 mph
1800

45°F
NE
19 mph
19 mph
2100

45°F
NE
14 mph
14 mph


























