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September Weather in Kaersaemaeki, Finland

Last updated: August 23, 2025

In September, the average temperature in Kaersaemaeki, Finland is a cool 9°C (49°F). Expect temperature fluctuations with a minimum of -5°C (23°F) and a maximum of 24°C (75°F). The region experiences 75 mm (3.0 in) of precipitation spread over 14 days, contributing to a notably high average humidity of 91%.

September Temperature in Kaersaemaeki

In September in Kaersaemaeki, the average temperature is 9°C (49°F). Maximums can reach 24°C (75°F), and minimums can be as low as -5°C (23°F). This diverse temperature range makes Kaersaemaeki a destination where travelers should pack for varying weather conditions.

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

The chart illustrates September temperature patterns in Kaersaemaeki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaersaemaeki, September typically has an average temperature of 9°C (49°F), with highs reaching up to 24°C (75°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec201826354759625748393124
Data source: Temperature data for Kaersaemaeki 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 Kaersaemaeki

In Kaersaemaeki in September, the precipitation amount is 75 mm (3.0 in) spread over 14 days, indicating a relatively wet period for the region.

September Precipitation Trends in Kaersaemaeki

The chart displays monthly precipitation patterns in Kaersaemaeki, 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 Kaersaemaeki, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec424040435859808075826452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kaersaemaeki

In Kaersaemaeki in September humidity is 91%. With an average temperature of 9°C (49°F), this humidity feels like a chilly mist enveloping you, making travel uncomfortable as the dampness seeps into your clothing and chills you to the bone.

September Average Humidity in Kaersaemaeki

This chart illustrates the average monthly humidity levels in Kaersaemaeki, 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 Kaersaemaeki is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%95%87%78%74%80%85%91%95%94%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kaersaemaeki

In Kaersaemaeki 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 Kaersaemaeki, you can check the information here.

Maximum UV Index Levels in Kaersaemaeki for September

The chart shows the monthly maximum UV Index (UVI) for Kaersaemaeki 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 Kaersaemaeki typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112456653211
Data source: Kaersaemaeki 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 Kaersaemaeki Compares to Other Months

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

This table compares monthly weather conditions in Kaersaemaeki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)42 mm (1.6 inches)99%low
February Weather-8°C (19°F)40 mm (1.6 inches)97%low
March Weather-3°C (26°F)39 mm (1.6 inches)95%low
April Weather2°C (36°F)43 mm (1.7 inches)87%moderate
May Weather8°C (47°F)58 mm (2.3 inches)78%moderate
June Weather15°C (59°F)59 mm (2.3 inches)74%high
July Weather16°C (62°F)80 mm (3.2 inches)80%high
August Weather14°C (58°F)80 mm (3.2 inches)85%moderate
September Weather9°C (49°F)75 mm (3.0 inches)91%moderate
October Weather4°C (39°F)82 mm (3.2 inches)95%low
November Weather-1°C (31°F)64 mm (2.5 inches)94%low
December Weather-4°C (24°F)52 mm (2.1 inches)98%low

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