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September Weather in Sosnovoborsk, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Sosnovoborsk, Russian Federation hovers around 12°C (54°F), with extremes that can dip to 0°C (32°F) or soar up to 31°C (88°F). Visitors can expect about 39 mm (1.5 in) of precipitation over 8 days, contributing to an average humidity level of 73%.

September Temperature in Sosnovoborsk

In September in Sosnovoborsk, the average temperature is 12°C (54°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can dip to as low as 0°C (32°F). Travelers should be prepared for a wide range of temperatures, making layered clothing a wise choice.

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

The chart illustrates September temperature patterns in Sosnovoborsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sosnovoborsk, September typically has an average temperature of 12°C (54°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec171826435664686554442919
Data source: Temperature data for Sosnovoborsk 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 Sosnovoborsk

In Sosnovoborsk in September, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.

September Precipitation Trends in Sosnovoborsk

The chart displays monthly precipitation patterns in Sosnovoborsk, 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 Sosnovoborsk, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec414441565252575239493637
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sosnovoborsk

In Sosnovoborsk in September, humidity is 73%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace, making travel moderately uncomfortable as the dampness can chill you to your bones, especially during early morning excursions or late afternoon strolls.

September Average Humidity in Sosnovoborsk

This chart illustrates the average monthly humidity levels in Sosnovoborsk, 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 Sosnovoborsk is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%96%88%73%63%59%61%58%73%85%93%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sosnovoborsk

In Sosnovoborsk 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 Sosnovoborsk.

Maximum UV Index Levels in Sosnovoborsk for September

The chart shows the monthly maximum UV Index (UVI) for Sosnovoborsk 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 Sosnovoborsk typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec125678775321
Data source: Sosnovoborsk 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 Sosnovoborsk Compares to Other Months

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

This table compares monthly weather conditions in Sosnovoborsk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)41 mm (1.6 inches)97%low
February Weather-8°C (19°F)44 mm (1.7 inches)96%low
March Weather-3°C (27°F)41 mm (1.6 inches)88%moderate
April Weather6°C (43°F)56 mm (2.2 inches)73%high
May Weather14°C (57°F)52 mm (2.1 inches)63%high
June Weather18°C (64°F)52 mm (2.0 inches)59%very high
July Weather20°C (68°F)57 mm (2.2 inches)61%high
August Weather18°C (65°F)51 mm (2.0 inches)58%high
September Weather12°C (54°F)39 mm (1.5 inches)73%moderate
October Weather7°C (44°F)49 mm (1.9 inches)85%moderate
November Weather-2°C (29°F)36 mm (1.4 inches)93%low
December Weather-7°C (20°F)37 mm (1.4 inches)90%low

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