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Helsinki weather in September 2020
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- 14°C max day temperature
14 - 4 hours of sunshine per day
- 17 days with some rainfall
17 - 7°C min night temperature
7 - 13 hours of daylight per day
13 - No heat & humidity
0 - 73 mm of monthly rainfall
73 - 3 (Moderate) UV index
3 - 14°C sea temperature
14
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The September weather guide for Helsinki, 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.
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How warm is it in Helsinki in September?
Daytime temperatures usually reach 14°C in Helsinki in September, falling to 7°C at night.
How sunny is it in Helsinki in September?
There are normally 4 hours of bright sunshine each day in Helsinki in September - that's 33% of daylight hours.
How warm is the sea around Helsinki in September?
The average sea temperature around Helsinki in September is 14°C.
Does it rain in Helsinki in September?
There are usually 17 days with some rain in Helsinki in September and the average monthly rainfall is 73mm.
Helsinki sunrise & sunset times for September 2020
Browse the sunrise & sunset times for Helsinki in September 2020. Select a month to view Helsinki sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Tuesday, 1st September 2020 | 06:15 | 20:23 |
| Tuesday, 15th September 2020 | 06:49 | 19:41 |
| Wednesday, 30th September 2020 | 07:24 | 18:55 |
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Metric (°C / mm) | Imperial (°F / inches)
Where is warm in Finland in September for 2020/2021?
Below are average maximum temperatures at popular destinations in Finland in September. Select a destination to see more weather parameters.
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