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September Weather in Rybinsk, Russian Federation

Last updated: August 27, 2025

In Rybinsk, Russian Federation, the average temperature in September hovers around 11°C (53°F). Visitors can expect a minimum chill of 1°C (33°F), while the mercury can rise to a pleasant 25°C (77°F). With 80 mm (3.2 in) of precipitation spread over 14 days, it's wise to stay prepared for some rain. The air can feel quite humid, with an average humidity of 90%.

September Temperature in Rybinsk

In September in Rybinsk, the average temperature is 11°C (53°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as 1°C (33°F). Pack accordingly to enjoy a range of weather conditions during your travels!

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

The chart illustrates September temperature patterns in Rybinsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rybinsk, September typically has an average temperature of 11°C (53°F), with highs reaching up to 25°C (77°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec202128395261646252433223
Data source: Temperature data for Rybinsk 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 Rybinsk

In Rybinsk in September, the precipitation amount is 80 mm (3.2 in) over the course of 14 days.

September Precipitation Trends in Rybinsk

The chart displays monthly precipitation patterns in Rybinsk, 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 Rybinsk, September typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4649395669571118480716452
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rybinsk

In Rybinsk in September, humidity is 90%. With an average temperature of 11°C (53°F), this humidity feels like a heavy cloak, making traveling feel sticky and exhausting, as the dampness clings to your skin and the chill in the air sharpens the discomfort, leaving you longing for a breath of fresh, dry air.

September Average Humidity in Rybinsk

This chart illustrates the average monthly humidity levels in Rybinsk, 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 Rybinsk is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%92%86%74%78%82%84%90%92%94%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rybinsk

In Rybinsk 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 Rybinsk for better planning.

Maximum UV Index Levels in Rybinsk for September

The chart shows the monthly maximum UV Index (UVI) for Rybinsk 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 Rybinsk typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124457664211
Data source: Rybinsk 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 Rybinsk Compares to Other Months

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

This table compares monthly weather conditions in Rybinsk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)46 mm (1.8 inches)98%low
February Weather-6°C (21°F)49 mm (1.9 inches)96%low
March Weather-2°C (28°F)39 mm (1.5 inches)92%moderate
April Weather4°C (39°F)56 mm (2.2 inches)86%moderate
May Weather11°C (52°F)69 mm (2.7 inches)74%moderate
June Weather16°C (62°F)57 mm (2.2 inches)78%high
July Weather18°C (65°F)111 mm (4.4 inches)82%high
August Weather17°C (62°F)84 mm (3.3 inches)84%high
September Weather11°C (53°F)80 mm (3.2 inches)90%moderate
October Weather6°C (43°F)71 mm (2.8 inches)92%low
November Weather0°C (33°F)64 mm (2.5 inches)94%low
December Weather-5°C (23°F)52 mm (2.1 inches)92%low

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