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September Weather in Kaluga, Russian Federation

Last updated: August 27, 2025

In Kaluga, Russian Federation, the average temperature in September is a mild 13°C (55°F). However, be prepared for a range of temperatures, as the minimum can dip to -2°C (29°F) while the maximum can reach a warm 30°C (87°F). Expect about 48 mm (1.9 in) of precipitation spread over 9 days, coupled with high humidity averaging around 86%.

September Temperature in Kaluga

In September in Kaluga, the average temperature is 13°C (55°F). Maximums can reach 30°C (87°F), and minimums can be as low as -2°C (29°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates September temperature patterns in Kaluga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaluga, September typically has an average temperature of 13°C (55°F), with highs reaching up to 30°C (87°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec232331435564656455453326
Data source: Temperature data for Kaluga 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 Kaluga

In Kaluga in September, the total precipitation amount is 48 mm (1.9 in) spread over 9 days.

September Precipitation Trends in Kaluga

The chart displays monthly precipitation patterns in Kaluga, 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 Kaluga, September typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec434634467365975749474162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kaluga

In Kaluga in September humidity is 86%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket clinging to your skin, making travel quite uncomfortable and urging you to seek cooler, dryer spots.

September Average Humidity in Kaluga

This chart illustrates the average monthly humidity levels in Kaluga, 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 Kaluga is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%83%75%76%79%78%86%91%95%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kaluga

In Kaluga in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Kaluga.

Maximum UV Index Levels in Kaluga for September

The chart shows the monthly maximum UV Index (UVI) for Kaluga 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 Kaluga typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224568775321
Data source: Kaluga 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 Kaluga Compares to Other Months

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

This table compares monthly weather conditions in Kaluga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)43 mm (1.7 inches)97%low
February Weather-5°C (23°F)46 mm (1.8 inches)95%low
March Weather-1°C (31°F)34 mm (1.4 inches)92%moderate
April Weather6°C (43°F)46 mm (1.8 inches)83%moderate
May Weather13°C (55°F)73 mm (2.9 inches)75%high
June Weather18°C (64°F)65 mm (2.5 inches)76%very high
July Weather19°C (66°F)97 mm (3.8 inches)79%high
August Weather18°C (64°F)56 mm (2.2 inches)78%high
September Weather13°C (55°F)48 mm (1.9 inches)86%moderate
October Weather7°C (45°F)47 mm (1.8 inches)91%moderate
November Weather1°C (34°F)41 mm (1.6 inches)95%low
December Weather-3°C (26°F)62 mm (2.4 inches)94%low

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