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September Weather in Rautalampi, Finland

Last updated: August 23, 2025

In September, the average temperature in Rautalampi, Finland hovers around 10°C (51°F). Daily temperatures can range from a chilly 0°C (32°F) at night to a pleasant 22°C (73°F) during the day. Expect some rain, with 87 mm (3.4 in) of precipitation over 14 days, and keep in mind that the average humidity sits at a high 91%.

September Temperature in Rautalampi

In September in Rautalampi, the average temperature is 10°C (51°F). Maximums can reach 22°C (73°F), and minimums can be as low as 0°C (32°F). This climate makes it a perfect time for travelers to enjoy outdoor activities while being prepared for varying temperatures.

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

The chart illustrates September temperature patterns in Rautalampi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rautalampi, September typically has an average temperature of 10°C (51°F), with highs reaching up to 22°C (73°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec212027354759636050423426
Data source: Temperature data for Rautalampi 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 Rautalampi

In Rautalampi in September, the precipitation amount is 87 mm (3.4 in) over a span of 14 days.

September Precipitation Trends in Rautalampi

The chart displays monthly precipitation patterns in Rautalampi, 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 Rautalampi, September typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec474139425558799387816764
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rautalampi

In Rautalampi in September, humidity is 91%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortable and leaving you yearning for warm, dry shelter.

September Average Humidity in Rautalampi

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

In Rautalampi 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 Rautalampi, you can check the information here.

Maximum UV Index Levels in Rautalampi for September

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

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

This table compares monthly weather conditions in Rautalampi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)47 mm (1.9 inches)99%low
February Weather-7°C (20°F)41 mm (1.6 inches)97%low
March Weather-3°C (27°F)39 mm (1.5 inches)95%moderate
April Weather2°C (35°F)42 mm (1.7 inches)87%moderate
May Weather8°C (47°F)54 mm (2.1 inches)78%moderate
June Weather15°C (60°F)58 mm (2.3 inches)74%high
July Weather17°C (63°F)79 mm (3.1 inches)80%high
August Weather15°C (60°F)93 mm (3.7 inches)85%moderate
September Weather10°C (51°F)87 mm (3.4 inches)91%moderate
October Weather5°C (42°F)81 mm (3.2 inches)95%low
November Weather1°C (34°F)67 mm (2.6 inches)94%low
December Weather-3°C (26°F)64 mm (2.5 inches)98%low

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