Average sea water temperature in September:
+60.7°F
| Minimum sea water temperature in September: | 65.3°F |
| Maximum sea water temperature in September: | 55.6°F |
Daily sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.3°F. The highest and lowest sea temperatures during the month were 63.9°F and 58.3°F.
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| Frederikshavn |
monthly
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| Frederikshavn |
current
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| Frederikshavn |
14 days
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| Frederikshavn |
Monthly sea water temperature in Frederikshavn, °F
Which Denmark resorts have warmest sea in September?
| Place name | September 2025 | September 2024 |
|---|---|---|
| Copenhagen | 62.5°F | 63.2°F |
| Aarhus | 62.1°F | 62.6°F |
| Odense | 61.7°F | 63.3°F |
| Esbjerg | 61.6°F | 63.0°F |
| Frederikshavn | 61.3°F | 61.8°F |
| Aalborg | 61.2°F | 62.7°F |
| Herning | 60.9°F | 62.3°F |
Best time for vacation in Frederikshavn
Frederikshavn on a weather map
Places in Denmark:
Name
°F
24 Hours Forecast
Frederikshavn
Local time: 21:10
January 12, monday
0000

28°F
NW
9 mph
9 mph
0300

30°F
NW
14 mph
14 mph
0600

32°F
NW
19 mph
19 mph
0900

32°F
NW
22 mph
22 mph
1200

32°F
NW
22 mph
22 mph
1500

34°F
NW
22 mph
22 mph
1800

32°F
NW
24 mph
24 mph
2100

32°F
NW
24 mph
24 mph



























