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Finland weather in September 2021
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Below are average maximum temperatures at popular destinations in Finland in September. Select a destination to see more weather parameters.
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The September weather guide for Finland shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
How warm is it in Finland in September?
Daytime temperatures usually reach 14°C in Helsinki, Finland in September, falling to 7°C at night.
How sunny is it in Finland in September?
There are normally 4 hours of bright sunshine each day in Helsinki, Finland in September - that's 33% of daylight hours.
How warm is the sea around Finland in September?
The average sea temperature around Helsinki, Finland in September is 14°C.
Does it rain in Finland in September?
There are usually 17 days with some rain in Helsinki, Finland in September and the average monthly rainfall is 73mm.
Metric (°C / mm) | Imperial (°F / inches)
Finland sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Finland in September 2021. Select a month to view Finland sunrise & sunset times for the next twelve months. The Finland sunrise & sunset times shown below are for Helsinki.
|Date||Sunrise times||Sunset times|
|Wednesday, 1st September 2021||06:15||20:24|
|Wednesday, 15th September 2021||06:48||19:41|
|Thursday, 30th September 2021||07:24||18:55|
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