Southern Finland weather in September
Considering a trip to Southern Finland this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
What is the weather like in Southern Finland in September?
Southern Finland is a region in Finland. September in Southern Finland generally has moderate temperatures, with moderate precipitation.
You can expect moderate maximum daytime temperatures of around 16°C and nighttime temperatures around 8°C in Helsinki.
In September, precipitation varies across different areas. From moderate rainfall in Hämeenlinna with an average of 58 mm to moderate rainfall in Taipalsaari with 74 mm. Most cities enjoy a balanced amount of sunshine, with around 151 hours of sunlight anticipated in Helsinki. This ensures the days are neither too dim nor excessively sunny.
For a closer look at September's conditions in Southern Finland, see the map below. For a more detailed look at Southern Finland's yearly weather, check out our Southern Finland climate page.
Where to go in Southern Finland in September
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Popular destinations
What is the weather like in September for the 5 most popular destinations in Southern Finland?
Helsinki
In September Helsinki generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Turku
In September Turku generally has moderate temperatures with maximum daytime temperatures around 17°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Rauha
In September Rauha generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Espoo
In September Espoo generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Naantali
In September Naantali generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.
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Is your destination not in the list? Have a look at other destinations in Southern Finland, in Finland.
Is September the best time to visit Southern Finland?
In our opinion, September is a good time to visit Southern Finland with overall tolerable weather in Helsinki. It's worth noting that weather conditions might differ depending on the location you visit.
Generally speaking, June, July and August provide perfect weather in Helsinki. In contrast, January, February, March, April, October, November and December tend to have poor weather conditions.
Interested in more climate information?
We have much more information about the climate in Southern Finland.
Interested in the weather conditions in a specific month? Select the month below.
Weather and climate has detailed information for every country in the world. Are you going to Finland? Get detailed historical weather averages for many cities in Finland.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.