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September Weather in Kuhmo, Finland

Last updated: August 23, 2025

In September, the average temperature in Kuhmo, Finland hovers around 9°C (48°F). During this time, temperatures may dip as low as -3°C (28°F) and can soar to a pleasant 22°C (72°F). You can expect 83 mm (3.3 in) of precipitation spread over 13 days, complemented by a high average humidity of 91%.

September Temperature in Kuhmo

In September in Kuhmo, the average temperature is 9°C (48°F). The maximum can reach 22°C (72°F), while the minimum can dip as low as -3°C (28°F). This temperature range makes Kuhmo an ideal destination for travelers seeking a mix of mild weather and the possibility of experiencing cooler conditions.

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

The chart illustrates September temperature patterns in Kuhmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kuhmo, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec171624334457615748383023
Data source: Temperature data for Kuhmo 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 Kuhmo

In Kuhmo in September, the precipitation amount is 83 mm (3.3 in) over a span of 13 days.

September Precipitation Trends in Kuhmo

The chart displays monthly precipitation patterns in Kuhmo, 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 Kuhmo, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec474046416470819983867163
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kuhmo

In Kuhmo in September, humidity is 91%. With an average temperature of 9°C (48°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the dampness permeates clothing and hangs heavy in the air, leading to a pervasive chill that lingers long after you've stepped outside.

September Average Humidity in Kuhmo

This chart illustrates the average monthly humidity levels in Kuhmo, 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 Kuhmo is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec101%99%94%88%83%79%83%88%91%96%96%100%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kuhmo

In Kuhmo 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 Kuhmo, you can check the information here.

Maximum UV Index Levels in Kuhmo for September

The chart shows the monthly maximum UV Index (UVI) for Kuhmo 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 Kuhmo typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356653211
Data source: Kuhmo 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 Kuhmo Compares to Other Months

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

This table compares monthly weather conditions in Kuhmo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)47 mm (1.8 inches)101%low
February Weather-9°C (16°F)40 mm (1.6 inches)99%low
March Weather-5°C (24°F)46 mm (1.8 inches)94%low
April Weather1°C (34°F)41 mm (1.6 inches)88%moderate
May Weather7°C (45°F)64 mm (2.5 inches)83%moderate
June Weather14°C (57°F)70 mm (2.8 inches)79%high
July Weather16°C (61°F)80 mm (3.2 inches)83%high
August Weather14°C (57°F)99 mm (3.9 inches)87%moderate
September Weather9°C (48°F)83 mm (3.3 inches)91%moderate
October Weather3°C (39°F)86 mm (3.4 inches)96%low
November Weather-1°C (30°F)71 mm (2.8 inches)96%low
December Weather-5°C (23°F)63 mm (2.5 inches)100%low

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