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September Weather in Saerkisalo, Finland

Last updated: August 23, 2025

In Saerkisalo, Finland, the average temperature in September settles at a brisk 13°C (56°F), with lows dipping to 5°C (40°F) and highs reaching up to 20°C (69°F). Expect around 76 mm (3.0 in) of precipitation over about 13 days, contributing to an average humidity of 87%. Prepare for a month that blends cool temperatures with a touch of wetness!

September Temperature in Saerkisalo

In September in Saerkisalo, the average temperature is 13°C (56°F). Maximums can reach 20°C (69°F), while minimums can drop as low as 5°C (40°F). This mild climate makes Saerkisalo a pleasant destination for travelers seeking a comfortable escape.

September Weather in Saerkisalo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saerkisalo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saerkisalo, September typically has an average temperature of 13°C (56°F), with highs reaching up to 20°C (69°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec312831384859646356474134
Data source: Temperature data for Saerkisalo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Saerkisalo

In Saerkisalo in September, the total precipitation amount is 76 mm (3.0 in), which occurs over the course of 13 days.

September Precipitation Trends in Saerkisalo

The chart displays monthly precipitation patterns in Saerkisalo, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Saerkisalo, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec59505332394276109761168585
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saerkisalo

In Saerkisalo in September humidity is 87%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it challenging to explore comfortably.

September Average Humidity in Saerkisalo

This chart illustrates the average monthly humidity levels in Saerkisalo, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Saerkisalo is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saerkisalo

In Saerkisalo in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saerkisalo for better planning.

Maximum UV Index Levels in Saerkisalo for September

The chart shows the monthly maximum UV Index (UVI) for Saerkisalo in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Saerkisalo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Saerkisalo September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Saerkisalo Compares to Other Months

Weather in Saerkisalo varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Saerkisalo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Saerkisalo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)59 mm (2.3 inches)92%low
February Weather-2°C (28°F)50 mm (2.0 inches)91%low
March Weather0°C (32°F)53 mm (2.1 inches)90%moderate
April Weather3°C (38°F)32 mm (1.3 inches)87%moderate
May Weather9°C (48°F)39 mm (1.5 inches)76%moderate
June Weather15°C (59°F)42 mm (1.7 inches)80%high
July Weather18°C (64°F)76 mm (3.0 inches)80%high
August Weather17°C (63°F)109 mm (4.3 inches)83%moderate
September Weather13°C (56°F)76 mm (3.0 inches)87%moderate
October Weather9°C (48°F)116 mm (4.6 inches)90%low
November Weather5°C (42°F)85 mm (3.3 inches)91%low
December Weather1°C (34°F)85 mm (3.3 inches)90%low

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