Average sea water temperature in September:
+58.5°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:
2023
2022
2021
The average sea water temperature in September of 2023 was 61.9°F. The highest and lowest sea temperatures during the month were 64.0°F and 58.8°F.
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Monthly sea water temperature in Helsinki, °F
Which Finland resorts have warmest sea in September?
| Place name | September 2023 | September 2022 |
|---|---|---|
| Kotka | 62.6°F | 58.4°F |
| Lappeenranta | 62.0°F | 57.5°F |
| Vantaa | 61.9°F | 60.1°F |
| Helsinki | 61.9°F | 60.0°F |
| Espoo | 61.8°F | 59.8°F |
| Turku | 61.3°F | 57.7°F |
| Savolinna | 61.3°F | 60.8°F |
| Lahti | 61.2°F | 62.4°F |
| Imatra | 61.1°F | 59.6°F |
| Porvoo | 61.1°F | 59.6°F |
| Juvaskyla | 60.1°F | 59.6°F |
| Koli National Park | 59.6°F | 59.1°F |
| Pori | 59.4°F | 54.6°F |
| Vaasa | 58.5°F | 54.6°F |
| Oulu | 56.7°F | 54.0°F |
| Seinajoki | 56.6°F | 54.7°F |
| Kemi | 56.5°F | 53.9°F |
| Saariselka | 53.4°F | 51.2°F |
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 06:17
April 29, monday
0900
48°F
NW
7 mph
7 mph
1200
52°F
N
8 mph
8 mph
1500
57°F
N
12 mph
12 mph
1800
50°F
NE
8 mph
8 mph
2100
46°F
NE
9 mph
9 mph
April 30, tuesday
0000
45°F
NE
8 mph
8 mph
0300
43°F
NE
6 mph
6 mph
0600
43°F
E
7 mph
7 mph
