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September Weather in Kiikoinen, Finland

Last updated: August 23, 2025

In September, the average temperature in Kiikoinen, Finland hovers around 11°C (52°F), with minimum lows plummeting to -2°C (28°F), while maximum highs can reach 24°C (76°F). Expect 68 mm (2.7 in) of precipitation over approximately 12 days, and prepare for a relatively high average humidity of 86%.

September Temperature in Kiikoinen

In September in Kiikoinen, the average temperature is 11°C (52°F). The maximum can reach 24°C (76°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a diverse range of weather conditions when traveling to Kiikoinen during this month.

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

The chart illustrates September temperature patterns in Kiikoinen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kiikoinen, September typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (76°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262430395061636052433629
Data source: Temperature data for Kiikoinen 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 Kiikoinen

In Kiikoinen in September, the precipitation amount is 68 mm (2.7 in) over the course of 12 days.

September Precipitation Trends in Kiikoinen

The chart displays monthly precipitation patterns in Kiikoinen, 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 Kiikoinen, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4441454350638210268785964
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kiikoinen

In Kiikoinen in September humidity is 86%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting travelers to seek sheltered spots or indoor attractions to escape the uncomfortable dampness.

September Average Humidity in Kiikoinen

This chart illustrates the average monthly humidity levels in Kiikoinen, 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 Kiikoinen is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kiikoinen

In Kiikoinen 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 Kiikoinen, you can check the information here.

Maximum UV Index Levels in Kiikoinen for September

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

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

This table compares monthly weather conditions in Kiikoinen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)44 mm (1.7 inches)92%low
February Weather-5°C (24°F)41 mm (1.6 inches)90%low
March Weather-1°C (30°F)45 mm (1.8 inches)89%moderate
April Weather4°C (39°F)43 mm (1.7 inches)85%moderate
May Weather10°C (50°F)50 mm (2.0 inches)77%moderate
June Weather16°C (61°F)63 mm (2.5 inches)78%high
July Weather17°C (64°F)82 mm (3.2 inches)78%high
August Weather16°C (61°F)102 mm (4.0 inches)79%moderate
September Weather11°C (52°F)68 mm (2.7 inches)86%moderate
October Weather6°C (43°F)78 mm (3.1 inches)90%low
November Weather2°C (36°F)59 mm (2.3 inches)91%low
December Weather-2°C (29°F)64 mm (2.5 inches)89%low

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