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September Weather in Kosa, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Kosa, Russian Federation hovers around 9°C (48°F). Expect a chilly minimum of -2°C (28°F), while sunny days can reach a pleasant 22°C (73°F). Be prepared for 73 mm (2.9 in) of precipitation over 12 days, and keep in mind the high average humidity of 91%. 🌦️

September Temperature in Kosa

In September in Kosa, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (73°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a mix of cooler and warmer days, making it a great time for layered clothing while exploring.

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

The chart illustrates September temperature patterns in Kosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosa, September typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (73°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec101223365058655948382415
Data source: Temperature data for Kosa 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 Kosa

In Kosa in September, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

September Precipitation Trends in Kosa

The chart displays monthly precipitation patterns in Kosa, 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 Kosa, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4147415562761058173785950
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kosa

In Kosa in September, humidity is 91%. With an average temperature of 9°C (48°F), this humidity feels like a chilly embrace, making travel quite uncomfortable as the dampness permeates clothing and hangs heavy in the air, leading to a pervasive chill that lingers long after you've stepped outside.

September Average Humidity in Kosa

This chart illustrates the average monthly humidity levels in Kosa, 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 Kosa is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec100%98%95%90%82%77%83%84%91%92%95%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kosa

In Kosa 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 Kosa for better planning.

Maximum UV Index Levels in Kosa for September

The chart shows the monthly maximum UV Index (UVI) for Kosa 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 Kosa typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456654211
Data source: Kosa 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 Kosa Compares to Other Months

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

This table compares monthly weather conditions in Kosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-12°C (10°F)41 mm (1.6 inches)100%low
February Weather-11°C (12°F)47 mm (1.9 inches)97%low
March Weather-5°C (23°F)41 mm (1.6 inches)95%moderate
April Weather2°C (36°F)54 mm (2.1 inches)90%moderate
May Weather10°C (50°F)62 mm (2.4 inches)82%moderate
June Weather14°C (58°F)76 mm (3.0 inches)77%high
July Weather18°C (65°F)105 mm (4.1 inches)83%high
August Weather15°C (59°F)81 mm (3.2 inches)84%moderate
September Weather9°C (48°F)73 mm (2.9 inches)91%moderate
October Weather3°C (38°F)78 mm (3.1 inches)92%low
November Weather-4°C (24°F)59 mm (2.3 inches)95%low
December Weather-9°C (16°F)50 mm (2.0 inches)93%low

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