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September Weather in Sotkamo, Finland

Last updated: August 23, 2025

In Sotkamo, Finland, the average temperature in September hovers around 9°C (48°F). Expect a chilly minimum of -2°C (28°F), while daytime highs can reach a pleasant 22°C (73°F). With an average precipitation of 83 mm (3.3 in) spread over 13 days, and a high average humidity of 91%, prepare for a damp and cool atmosphere as you explore this captivating locale!

September Temperature in Sotkamo

In September in Sotkamo, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (73°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a mix of cooler and warmer days, making it a great time for layered clothing while exploring.

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

The chart illustrates September temperature patterns in Sotkamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sotkamo, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (73°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec181624334457615748383023
Data source: Temperature data for Sotkamo 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 Sotkamo

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

September Precipitation Trends in Sotkamo

The chart displays monthly precipitation patterns in Sotkamo, 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 Sotkamo, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec474246436068849883887563
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sotkamo

In Sotkamo 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 Sotkamo

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

In Sotkamo 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 Sotkamo, you can check the information here.

Maximum UV Index Levels in Sotkamo for September

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

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

This table compares monthly weather conditions in Sotkamo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)47 mm (1.8 inches)101%low
February Weather-9°C (17°F)42 mm (1.6 inches)99%low
March Weather-4°C (24°F)46 mm (1.8 inches)94%low
April Weather1°C (34°F)43 mm (1.7 inches)88%moderate
May Weather7°C (44°F)60 mm (2.4 inches)83%moderate
June Weather14°C (57°F)67 mm (2.7 inches)79%high
July Weather16°C (61°F)84 mm (3.3 inches)83%high
August Weather14°C (57°F)97 mm (3.8 inches)87%moderate
September Weather9°C (48°F)83 mm (3.3 inches)91%moderate
October Weather4°C (39°F)88 mm (3.5 inches)96%low
November Weather-1°C (30°F)75 mm (3.0 inches)96%low
December Weather-5°C (23°F)63 mm (2.5 inches)100%low

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