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September Weather in Evijaervi, Finland

Last updated: August 23, 2025

In September, the average temperature in Evijaervi, Finland is a cool 10°C (50°F), with temperatures ranging from a chilly -3°C (26°F) to a pleasant 23°C (73°F). Expect 71 mm (2.8 in) of precipitation spread over 13 days, and be prepared for high humidity levels averaging 89%.

September Temperature in Evijaervi

In September in Evijaervi, the average temperature is 10°C (50°F). Maximums can reach 23°C (73°F) and minimums can be as low as -3°C (26°F). Be prepared for a range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Evijaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Evijaervi, September typically has an average temperature of 10°C (50°F), with highs reaching up to 23°C (73°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232128364859635950413327
Data source: Temperature data for Evijaervi 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 Evijaervi

In Evijaervi in September, the total precipitation amount is 71 mm (2.8 in) occurring over the course of 13 days.

September Precipitation Trends in Evijaervi

The chart displays monthly precipitation patterns in Evijaervi, 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 Evijaervi, September typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec384041456156649071865847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Evijaervi

In Evijaervi in September, humidity is 89%. With an average temperature of 10°C (50°F), this humidity feels like a dense blanket wrapping around you, making travel feel damp and chilly, and urging you to dress in layers for comfort.

September Average Humidity in Evijaervi

This chart illustrates the average monthly humidity levels in Evijaervi, 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 Evijaervi is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Evijaervi

In Evijaervi in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Evijaervi, you can check the information here.

Maximum UV Index Levels in Evijaervi for September

The chart shows the monthly maximum UV Index (UVI) for Evijaervi 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 Evijaervi typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Evijaervi 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 Evijaervi Compares to Other Months

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

This table compares monthly weather conditions in Evijaervi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)38 mm (1.5 inches)97%low
February Weather-6°C (21°F)40 mm (1.6 inches)95%low
March Weather-2°C (28°F)41 mm (1.6 inches)92%moderate
April Weather2°C (37°F)45 mm (1.8 inches)85%moderate
May Weather9°C (48°F)61 mm (2.4 inches)77%moderate
June Weather15°C (60°F)56 mm (2.2 inches)74%high
July Weather17°C (63°F)64 mm (2.5 inches)79%high
August Weather15°C (59°F)90 mm (3.5 inches)82%moderate
September Weather10°C (50°F)71 mm (2.8 inches)89%moderate
October Weather5°C (41°F)86 mm (3.4 inches)93%low
November Weather1°C (33°F)58 mm (2.3 inches)93%low
December Weather-3°C (27°F)47 mm (1.9 inches)95%low

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