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September Weather in Pielavesi, Finland

Last updated: August 23, 2025

In September, the average temperature in Pielavesi, Finland hovers around 10°C (50°F), with minimums dipping to -2°C (29°F) and maximums reaching up to 23°C (74°F). Expect a total precipitation of 87 mm (3.4 in) spread over 13 days, complemented by a high average humidity of 91%. Perfect for those who enjoy a lush and refreshing atmosphere!

September Temperature in Pielavesi

In September in Pielavesi, the average temperature is 10°C (50°F), with maximums reaching 23°C (74°F) and minimums dipping as low as -2°C (29°F). Overall, it's a great time for travelers to experience a mix of mild and chilly weather, so packing layers is recommended.

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

The chart illustrates September temperature patterns in Pielavesi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pielavesi, September typically has an average temperature of 10°C (50°F), with highs reaching up to 23°C (74°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec201926354759635949403225
Data source: Temperature data for Pielavesi 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 Pielavesi

In Pielavesi in September, the precipitation amount is 87 mm (3.4 in) spread over 13 days.

September Precipitation Trends in Pielavesi

The chart displays monthly precipitation patterns in Pielavesi, 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 Pielavesi, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec474342455664839687867365
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Pielavesi

In Pielavesi 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 Pielavesi

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

In Pielavesi 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 Pielavesi, you can check the information here.

Maximum UV Index Levels in Pielavesi for September

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

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

This table compares monthly weather conditions in Pielavesi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)47 mm (1.9 inches)99%low
February Weather-7°C (19°F)43 mm (1.7 inches)97%low
March Weather-3°C (26°F)42 mm (1.6 inches)95%moderate
April Weather2°C (35°F)45 mm (1.8 inches)87%moderate
May Weather8°C (47°F)56 mm (2.2 inches)78%moderate
June Weather15°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 (59°F)96 mm (3.8 inches)85%moderate
September Weather10°C (50°F)87 mm (3.4 inches)91%moderate
October Weather5°C (40°F)86 mm (3.4 inches)95%low
November Weather0°C (33°F)73 mm (2.9 inches)94%low
December Weather-4°C (25°F)65 mm (2.6 inches)98%low

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