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September Weather in Krasnyy Klyuch, Russian Federation

Last updated: August 27, 2025

In Krasnyy Klyuch, Russian Federation, the average temperature for September hovers around 10°C (51°F). However, temperatures can vary widely, with a minimum of -2°C (29°F) and a maximum reaching 30°C (85°F). Prepare for some drizzles, as the region receives approximately 77 mm (3.0 in) of precipitation over 14 days, and be ready to feel the air's moisture, with an average humidity of 85%.

September Temperature in Krasnyy Klyuch

In September in Krasnyy Klyuch, the average temperature is 10°C (51°F). Maximum temperatures can reach 30°C (85°F), while minimums can drop as low as -2°C (29°F). Be sure to pack layers to accommodate the varying temperatures during your travels.

September Weather in Krasnyy Klyuch: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Krasnyy Klyuch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Krasnyy Klyuch, September typically has an average temperature of 10°C (51°F), with highs reaching up to 30°C (85°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec121423395460676350402515
Data source: Temperature data for Krasnyy Klyuch 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 Krasnyy Klyuch

In Krasnyy Klyuch in September, the precipitation amount is 77 mm (3.0 in) over the course of 14 days.

September Precipitation Trends in Krasnyy Klyuch

The chart displays monthly precipitation patterns in Krasnyy Klyuch, 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 Krasnyy Klyuch, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec545955515196877877665644
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Krasnyy Klyuch

In Krasnyy Klyuch in September, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

September Average Humidity in Krasnyy Klyuch

This chart illustrates the average monthly humidity levels in Krasnyy Klyuch, 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 Krasnyy Klyuch is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%95%89%73%72%75%72%85%91%94%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Krasnyy Klyuch

In Krasnyy Klyuch 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 Krasnyy Klyuch.

Maximum UV Index Levels in Krasnyy Klyuch for September

The chart shows the monthly maximum UV Index (UVI) for Krasnyy Klyuch 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 Krasnyy Klyuch typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577765321
Data source: Krasnyy Klyuch 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 Krasnyy Klyuch Compares to Other Months

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

This table compares monthly weather conditions in Krasnyy Klyuch, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)54 mm (2.1 inches)97%low
February Weather-10°C (15°F)59 mm (2.3 inches)96%low
March Weather-5°C (24°F)55 mm (2.2 inches)95%moderate
April Weather4°C (39°F)51 mm (2.0 inches)89%moderate
May Weather12°C (54°F)51 mm (2.0 inches)73%high
June Weather15°C (60°F)95 mm (3.8 inches)72%high
July Weather19°C (67°F)87 mm (3.4 inches)75%high
August Weather17°C (63°F)78 mm (3.1 inches)72%high
September Weather10°C (51°F)77 mm (3.0 inches)85%moderate
October Weather5°C (40°F)66 mm (2.6 inches)91%moderate
November Weather-4°C (25°F)56 mm (2.2 inches)94%low
December Weather-9°C (16°F)44 mm (1.7 inches)90%low

Compare Krasnyy Klyuch's Climate with Cities Worldwide