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September Weather in Hankasalmi, Finland

Last updated: August 23, 2025

In Hankasalmi, Finland, the average temperature in September hovers around 10°C (50°F). Expect a chilly minimum of -2°C (29°F) and a pleasant maximum of 23°C (73°F). Rainfall adds to the ambiance, with 78 mm (3.1 in) of precipitation spread over 14 days, while the air remains notably humid at an average of 91%.

September Temperature in Hankasalmi

In September in Hankasalmi, 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 Hankasalmi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hankasalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hankasalmi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec222127364860636050413426
Data source: Temperature data for Hankasalmi 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 Hankasalmi

In Hankasalmi in September, the precipitation amount is 78 mm (3.1 in) over a period of 14 days.

September Precipitation Trends in Hankasalmi

The chart displays monthly precipitation patterns in Hankasalmi, 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 Hankasalmi, September typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec464140446265779278746264
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hankasalmi

In Hankasalmi 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 Hankasalmi

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

In Hankasalmi 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 Hankasalmi, you can check the information here.

Maximum UV Index Levels in Hankasalmi for September

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

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

This table compares monthly weather conditions in Hankasalmi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)46 mm (1.8 inches)99%low
February Weather-6°C (21°F)41 mm (1.6 inches)97%low
March Weather-3°C (27°F)40 mm (1.6 inches)95%moderate
April Weather2°C (36°F)44 mm (1.7 inches)87%moderate
May Weather9°C (48°F)62 mm (2.4 inches)78%moderate
June Weather16°C (61°F)64 mm (2.5 inches)74%high
July Weather17°C (63°F)77 mm (3.0 inches)80%high
August Weather15°C (60°F)92 mm (3.6 inches)85%moderate
September Weather10°C (50°F)78 mm (3.1 inches)91%moderate
October Weather5°C (41°F)74 mm (2.9 inches)95%low
November Weather1°C (34°F)62 mm (2.4 inches)94%low
December Weather-3°C (26°F)64 mm (2.5 inches)98%low

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