Average sea water temperature in September:
+58.8°F
| Minimum sea water temperature in September: | 65.8°F |
| Maximum sea water temperature in September: | 50.7°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 61.7°F. The highest and lowest sea temperatures during the month were 64.4°F and 59.0°F.
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| Helsinki |
monthly
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| Helsinki |
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| Helsinki |
14 days
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| Helsinki |
Monthly sea water temperature in Helsinki, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
10
20
30
40
50
60
70
80
38.7
44.2
50.3
58.8
63.1
61.8
55.1
44.9
36.1
32.4
32.1
34.1
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 Helsinki
Helsinki on a weather map
Leaflet | Tiles © Esri
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 20:17
April 02, wednesday
2100
46°F
SE
11 mph
11 mph
April 03, thursday
0000
45°F
SE
10 mph
10 mph
0300
43°F
SE
10 mph
10 mph
0600
41°F
SE
9 mph
9 mph
0900
43°F
E
8 mph
8 mph
1200
46°F
E
11 mph
11 mph
1500
46°F
NE
15 mph
15 mph
1800
45°F
NE
17 mph
17 mph
