September Weather in Bratsk, Russian Federation

Last updated: August 27, 2025

In Bratsk, Russian Federation, the average temperature in September hovers around 9°C (49°F). Expect a wide range in temperatures, with a minimum of -2°C (29°F) and a maximum reaching 25°C (77°F). During this month, you can anticipate approximately 52 mm (2.0 in) of precipitation over 12 days, while the average humidity lingers at a comfortable 78%.

September Temperature in Bratsk

In September in Bratsk, the average temperature is 9°C (49°F). The maximum can reach 25°C (77°F), while the minimum can drop as low as -2°C (29°F). It’s advisable to pack layers to accommodate the varying temperatures during your travels.

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

The chart illustrates September temperature patterns in Bratsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bratsk, September typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec-40203647616662483516-1
Data source: Temperature data for Bratsk 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 Bratsk

In Bratsk in September, the precipitation amount is 52 mm (2.0 in) over a span of 12 days.

September Precipitation Trends in Bratsk

The chart displays monthly precipitation patterns in Bratsk, 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 Bratsk, September typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec151618194645535152282935
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bratsk

In Bratsk in September, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.

September Average Humidity in Bratsk

This chart illustrates the average monthly humidity levels in Bratsk, 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 Bratsk is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%88%84%75%61%59%60%78%90%97%99%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bratsk

In Bratsk in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Bratsk for better planning.

Maximum UV Index Levels in Bratsk for September

The chart shows the monthly maximum UV Index (UVI) for Bratsk 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 Bratsk typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567764311
Data source: Bratsk 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 Bratsk Compares to Other Months

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

This table compares monthly weather conditions in Bratsk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)15 mm (0.6 inches)98%low
February Weather-18°C (1°F)16 mm (0.6 inches)95%low
March Weather-7°C (20°F)17 mm (0.7 inches)88%moderate
April Weather2°C (36°F)19 mm (0.7 inches)84%moderate
May Weather8°C (47°F)46 mm (1.8 inches)75%high
June Weather16°C (61°F)45 mm (1.8 inches)61%high
July Weather19°C (66°F)53 mm (2.1 inches)59%high
August Weather17°C (63°F)51 mm (2.0 inches)60%high
September Weather9°C (49°F)52 mm (2.0 inches)78%moderate
October Weather2°C (35°F)28 mm (1.1 inches)90%moderate
November Weather-9°C (16°F)29 mm (1.1 inches)97%low
December Weather-18°C (0°F)35 mm (1.4 inches)99%low

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