Average sea water temperature in September:
+59.3°F
| Minimum sea water temperature in September: | 67.5°F |
| Maximum sea water temperature in September: | 51.3°F |
Daily sea water temperature in September, °F
Show year:
2024
2023
2022
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The average sea water temperature in September of 2024 was 64.4°F. The highest and lowest sea temperatures during the month were 66.9°F and 60.6°F.
Monthly sea water temperature in Kotka, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
37.2
43.4
50.3
59.3
64.2
63.2
55.9
45.2
35.5
31.7
31.2
32.6
Which Finland resorts have warmest sea in September?
| Place name | September 2024 | September 2023 |
|---|---|---|
| Lappeenranta | 64.4°F | 62.0°F |
| Kotka | 64.4°F | 62.6°F |
| Savolinna | 62.9°F | 61.3°F |
| Imatra | 62.4°F | 61.1°F |
| Lahti | 62.4°F | 61.2°F |
| Vantaa | 61.9°F | 61.9°F |
| Porvoo | 61.9°F | 61.1°F |
| Turku | 61.9°F | 61.3°F |
| Espoo | 61.8°F | 61.8°F |
| Helsinki | 61.7°F | 61.9°F |
| Koli National Park | 61.5°F | 59.6°F |
| Juvaskyla | 61.0°F | 60.1°F |
| Pori | 60.1°F | 59.4°F |
| Vaasa | 58.8°F | 58.5°F |
| Kemi | 58.2°F | 56.5°F |
| Seinajoki | 58.0°F | 56.6°F |
| Oulu | 58.0°F | 56.7°F |
| Saariselka | 54.0°F | 53.4°F |
Best time for vacation in Kotka
Kotka on a weather map
Leaflet | Tiles © Esri
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 02:43
March 26, wednesday
0300
36°F
S
5 mph
5 mph
0600
36°F
S
7 mph
7 mph
0900
36°F
SW
7 mph
7 mph
1200
39°F
SW
5 mph
5 mph
1500
39°F
NW
3 mph
3 mph
1800
37°F
NE
4 mph
4 mph
2100
37°F
S
5 mph
5 mph
March 27, thursday
0000
36°F
SW
4 mph
4 mph
