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September Weather in Pieksaemaeki, Finland

Last updated: August 23, 2025

In September, the average temperature in Pieksaemaeki, Finland is a cool 10°C (50°F). Expect a range from a brisk -2°C (29°F) at its lowest to a pleasant 23°C (73°F) at its peak. With 76 mm (3.0 in) of precipitation over 14 days, don't forget your umbrella! Additionally, be prepared for high humidity levels averaging 91%, ensuring a truly unique seasonal experience.

September Temperature in Pieksaemaeki

In September in Pieksaemaeki, the average temperature is 10°C (50°F). Maximums can reach 23°C (73°F), while minimums can drop to -2°C (29°F). Travelers should be prepared for a range of temperatures, making layers essential for comfort during their visit.

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

The chart illustrates September temperature patterns in Pieksaemaeki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pieksaemaeki, 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 -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec222127364860635950413426
Data source: Temperature data for Pieksaemaeki 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 Pieksaemaeki

In Pieksaemaeki in September, the precipitation amount is 76 mm (3.0 in) spread over 14 days.

September Precipitation Trends in Pieksaemaeki

The chart displays monthly precipitation patterns in Pieksaemaeki, 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 Pieksaemaeki, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec494344465864848876736368
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pieksaemaeki

In Pieksaemaeki in September, humidity is 91%. With an average temperature of 10°C (50°F), this humidity feels like an enveloping dampness that makes traveling a bit uncomfortable, as the moisture clings to your skin and dampens your clothes, soaking up any residual warmth from the cool air.

September Average Humidity in Pieksaemaeki

This chart illustrates the average monthly humidity levels in Pieksaemaeki, 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 Pieksaemaeki 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 Pieksaemaeki

In Pieksaemaeki 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 Pieksaemaeki, you can check the information here.

Maximum UV Index Levels in Pieksaemaeki for September

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

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

This table compares monthly weather conditions in Pieksaemaeki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)49 mm (1.9 inches)99%low
February Weather-6°C (21°F)43 mm (1.7 inches)97%low
March Weather-3°C (27°F)44 mm (1.7 inches)95%moderate
April Weather2°C (36°F)46 mm (1.8 inches)87%moderate
May Weather9°C (49°F)58 mm (2.3 inches)78%moderate
June Weather16°C (60°F)64 mm (2.5 inches)74%high
July Weather17°C (63°F)83 mm (3.3 inches)80%high
August Weather15°C (60°F)88 mm (3.4 inches)85%moderate
September Weather10°C (50°F)76 mm (3.0 inches)91%moderate
October Weather5°C (41°F)73 mm (2.9 inches)95%low
November Weather1°C (34°F)63 mm (2.5 inches)94%low
December Weather-4°C (26°F)68 mm (2.7 inches)98%low

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