World Resorts Finland Helsinki Weather

Helsinki Sea Temperature in September

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

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.

Monthly sea water temperature in Helsinki, °F

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

Sunniest months:
July 15 days
June 15 days
May 14 days
Warmest months:
July 68.6 °F
August 67.3 °F
June 63.5 °F
Warmest sea temp:
August 63.1 °F
July 61.8 °F
September 58.8 °F
Coldest months:
January 28.1 °F
February 29.0 °F
December 33.4 °F
Rainiest months:
August 5 days
September 4 days
July 4 days
Windiest months:
December 12.8 mph
November 12.0 mph
January 11.7 mph

Helsinki on a weather map

Helsinki
+45°F
E 9 mph
Feels like: +41°F
Precip.: 0%
Places in Finland:
Name
°F
+46°F
+45°F
+39°F
+45°F
+39°F
+41°F
+41°F
+46°F
+46°F
+39°F
+45°F
+45°F
+43°F
+36°F
24 Hours Forecast
Helsinki
Local time: 01:19
November 06, wednesday
0300
43°F
E
11 mph
0600
45°F
E
12 mph
0900
45°F
E
12 mph
1200
48°F
E
12 mph
1500
48°F
E
11 mph
1800
45°F
E
8 mph
2100
43°F
SE
7 mph
November 07, thursday
0000
41°F
SE
6 mph
Units of measurement: °C / °F