September Weather in Olyokminsk, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Olyokminsk, Russian Federation hovers around 8°C (47°F), with lows dipping to a chilly -7°C (19°F) and highs reaching a pleasant 25°C (77°F). Expect about 45 mm (1.8 in) of precipitation over 9 days, and prepare for a humid atmosphere with an average humidity of 87%.

September Temperature in Olyokminsk

In September in Olyokminsk, the average temperature is 8°C (47°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -7°C (19°F). This varied climate makes it essential for travelers to pack layers for both warm and chilly weather.

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

The chart illustrates September temperature patterns in Olyokminsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olyokminsk, September typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec-20-129284563676146280-22
Data source: Temperature data for Olyokminsk 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 Olyokminsk

In Olyokminsk in September, the precipitation amount is 45 mm (1.8 in) spread over 9 days.

September Precipitation Trends in Olyokminsk

The chart displays monthly precipitation patterns in Olyokminsk, 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 Olyokminsk, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec212515174233626545282926
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Olyokminsk

In Olyokminsk in September, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

September Average Humidity in Olyokminsk

This chart illustrates the average monthly humidity levels in Olyokminsk, 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 Olyokminsk is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec99%97%91%80%76%71%68%78%87%95%100%100%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Olyokminsk

In Olyokminsk in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Olyokminsk, you can check the information here.

Maximum UV Index Levels in Olyokminsk for September

The chart shows the monthly maximum UV Index (UVI) for Olyokminsk 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 Olyokminsk typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456763211
Data source: Olyokminsk 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 Olyokminsk Compares to Other Months

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

This table compares monthly weather conditions in Olyokminsk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-29°C (-20°F)20 mm (0.8 inches)99%low
February Weather-24°C (-11°F)25 mm (1.0 inches)97%low
March Weather-13°C (9°F)15 mm (0.6 inches)91%moderate
April Weather-2°C (29°F)17 mm (0.7 inches)80%moderate
May Weather7°C (46°F)42 mm (1.6 inches)76%moderate
June Weather17°C (63°F)33 mm (1.3 inches)71%high
July Weather19°C (67°F)62 mm (2.4 inches)68%high
August Weather16°C (61°F)65 mm (2.6 inches)78%high
September Weather8°C (47°F)45 mm (1.8 inches)87%moderate
October Weather-2°C (28°F)28 mm (1.1 inches)95%low
November Weather-18°C (0°F)29 mm (1.1 inches)100%low
December Weather-30°C (-22°F)26 mm (1.0 inches)100%low

Compare Olyokminsk's Climate with Cities Worldwide