FinlandCountries Finland September Temperatures
FinlandCountries Finland
Finland Finland  
Temperatures in September
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Temperature in Finland in September

Finland, experiences maximum daytime temperatures in September ranging from 8°C in Kilpisjärvi to 17°C in Turku. Nighttime temperatures generally drop to 8°C in Turku and 2°C in Kilpisjärvi.

What is the temperature of the different cities in Finland in September?

To get a sense of September's typical temperatures in the key spots of Finland, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather
Temperatures
Precipitation
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Leaflet © OpenStreetMap
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Finland, check out our Finland's climate page.

  • What is the warmest city in September in Finland?
    • From a thorough analysis of our records, Turku clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 17°C, and evenings that remain near 8°C.

  • What is the coldest city in September in Finland?
    • When looking through our records, we find that Kilpisjärvi stands out as the coolest city in Finland for the month of September. Daytime highs average 8°C and it cools down to about 2°C at night.

  • How much sun does Finland get in September?
    • The city Helsinki usually sees around 151 hours of sunlight, indicating a moderately sunny period.

  • What is the water's temperature in September?
    • The water temperature averages approximately 13°C in Helsinki this month, so not the best month to swim.

    Interested in more climate information?

    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 travel conditions. Find out where to go with our weather planner.