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

September in Finland has maximum daytime temperatures ranging from low in Kilpisjärvi with 8°C to moderate temperatures in Turku with 17°C. 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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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

  • 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.

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