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September Weather in Uni, Russian Federation

Last updated: August 27, 2025

In Uni, Russian Federation, the average temperature in September hovers around 10°C (49°F). Expect a range from a chilly -3°C (27°F) to a warm 25°C (77°F), making it a month of contrasts. With 56 mm (2.2 in) of precipitation over 11 days, you might want to keep an umbrella handy. Furthermore, the average humidity is quite high at 87%, adding a touch of dampness to the air.

September Temperature in Uni

In September in Uni, the average temperature is 10°C (49°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop to as low as -3°C (27°F). Make sure to pack layers to comfortably enjoy the diverse weather during your visit.

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

The chart illustrates September temperature patterns in Uni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Uni, September typically has an average temperature of 10°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec121423375259656149392616
Data source: Temperature data for Uni 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 Uni

In Uni in September, the precipitation amount is 56 mm (2.2 in) over the course of 11 days.

September Precipitation Trends in Uni

The chart displays monthly precipitation patterns in Uni, 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 Uni, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4552476349661036756655353
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Uni

In Uni in September, humidity is 87%. With an average temperature of 10°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor excursions somewhat uncomfortable and requiring layered clothing to navigate the cold, clammy air effectively.

September Average Humidity in Uni

This chart illustrates the average monthly humidity levels in Uni, 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 Uni is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%96%89%75%70%72%71%87%92%93%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Uni

In Uni 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 Uni for better planning.

Maximum UV Index Levels in Uni for September

The chart shows the monthly maximum UV Index (UVI) for Uni 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 Uni typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567664311
Data source: Uni 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 Uni Compares to Other Months

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

This table compares monthly weather conditions in Uni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)44 mm (1.8 inches)99%low
February Weather-10°C (14°F)52 mm (2.0 inches)97%low
March Weather-5°C (23°F)47 mm (1.8 inches)96%moderate
April Weather3°C (37°F)63 mm (2.5 inches)89%moderate
May Weather11°C (53°F)49 mm (1.9 inches)74%high
June Weather15°C (60°F)66 mm (2.6 inches)70%high
July Weather18°C (65°F)103 mm (4.1 inches)72%high
August Weather16°C (62°F)67 mm (2.6 inches)71%high
September Weather10°C (49°F)56 mm (2.2 inches)87%moderate
October Weather4°C (40°F)65 mm (2.6 inches)91%moderate
November Weather-3°C (26°F)53 mm (2.1 inches)93%low
December Weather-9°C (16°F)53 mm (2.1 inches)88%low

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