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September Weather in Ulyanovsk, Russian Federation

Last updated: August 27, 2025

In Ulyanovsk, Russian Federation, the average temperature in September hovers around 13°C (55°F), with minimums dipping to 1°C (35°F) and maximums reaching 30°C (87°F). Expect 37 mm (1.4 in) of precipitation over 7 days, contributing to an average humidity of 84%. Perfect for enjoying the unique climate of the season!

September Temperature in Ulyanovsk

In September in Ulyanovsk, the average temperature is 13°C (55°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 1°C (35°F). Overall, it's advisable to pack layers for your trip to Ulyanovsk during this time to accommodate the varying temperatures.

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

The chart illustrates September temperature patterns in Ulyanovsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulyanovsk, 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 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec161726425765706755453020
Data source: Temperature data for Ulyanovsk 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 Ulyanovsk

In Ulyanovsk in September, the precipitation amount is measured at 37 mm (1.4 in) over a span of 7 days.

September Precipitation Trends in Ulyanovsk

The chart displays monthly precipitation patterns in Ulyanovsk, 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 Ulyanovsk, September typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec353741483652605437443334
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ulyanovsk

In Ulyanovsk in September humidity is 84%. With average temperature 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and draining for traveling.

September Average Humidity in Ulyanovsk

This chart illustrates the average monthly humidity levels in Ulyanovsk, 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 Ulyanovsk is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%83%71%71%74%71%84%90%94%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ulyanovsk

In Ulyanovsk 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 Ulyanovsk.

Maximum UV Index Levels in Ulyanovsk for September

The chart shows the monthly maximum UV Index (UVI) for Ulyanovsk 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 Ulyanovsk typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec125567775321
Data source: Ulyanovsk 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 Ulyanovsk Compares to Other Months

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

This table compares monthly weather conditions in Ulyanovsk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)35 mm (1.4 inches)98%low
February Weather-8°C (18°F)36 mm (1.4 inches)96%low
March Weather-3°C (26°F)41 mm (1.6 inches)93%moderate
April Weather5°C (42°F)48 mm (1.9 inches)83%moderate
May Weather14°C (58°F)36 mm (1.4 inches)71%high
June Weather18°C (65°F)52 mm (2.0 inches)71%high
July Weather21°C (71°F)60 mm (2.4 inches)74%high
August Weather19°C (67°F)54 mm (2.1 inches)71%high
September Weather13°C (55°F)37 mm (1.4 inches)84%moderate
October Weather7°C (45°F)44 mm (1.7 inches)90%moderate
November Weather-1°C (30°F)33 mm (1.3 inches)93%low
December Weather-7°C (20°F)34 mm (1.3 inches)90%low

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