Average sea water temperature in September:
+50.6°F
| Minimum sea water temperature in September: | 57.4°F |
| Maximum sea water temperature in September: | 46.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 57.4°F and 51.3°F.
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| Kopavogur |
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| Kopavogur |
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| Kopavogur |
14 days
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| Kopavogur |
Monthly sea water temperature in Kopavogur, °F
Which Iceland resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Kopavogur | 54.4°F | 48.9°F |
| Reykjavik | 53.7°F | 48.8°F |
| Tingvellir | 51.6°F | 48.3°F |
| Akureyri | 48.2°F | 45.7°F |
Best time for vacation in Kopavogur
Kopavogur on a weather map
24 Hours Forecast
Kopavogur
Local time: 14:04
December 25, thursday
1500

46°F
N
22 mph
22 mph
1800

45°F
NW
22 mph
22 mph
2100

46°F
N
24 mph
24 mph
December 26, friday
0000

46°F
N
28 mph
28 mph
0300

36°F
SE
24 mph
24 mph
0600

39°F
E
22 mph
22 mph
0900

39°F
E
23 mph
23 mph
1200

39°F
E
23 mph
23 mph


























