September Weather in Lensk, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Lensk, Russian Federation hovers around 7°C (45°F), showcasing the region's chill. While you might experience minimums dipping to -5°C (24°F), sunny days can bring warmth with highs reaching 23°C (74°F). Be prepared for a moderate precipitation of 56 mm (2.2 in) spread across 9 days, and keep in mind the average humidity is around 84%, adding to the atmospheric richness of the season.

September Temperature in Lensk

In September in Lensk, the average temperature is 7°C (45°F). The maximum can reach 23°C (74°F), while the minimum can drop as low as -5°C (24°F). Be sure to pack layers to comfortably enjoy the diverse weather during your travels!

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

The chart illustrates September temperature patterns in Lensk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lensk, September typically has an average temperature of 7°C (45°F), with highs reaching up to 23°C (74°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Lensk generated using information from the Copernicus Climate Change Service.

September Precipitation in Lensk

In Lensk in September, the precipitation amount is 56 mm (2.2 in) over a period of 9 days.

September Precipitation Trends in Lensk

The chart displays monthly precipitation patterns in Lensk, 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 Lensk, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Lensk

In Lensk in September, humidity is 84%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm while exploring the sights.

September Average Humidity in Lensk

This chart illustrates the average monthly humidity levels in Lensk, 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 Lensk is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lensk

In Lensk 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 Lensk, you can check the information here.

Maximum UV Index Levels in Lensk for September

The chart shows the monthly maximum UV Index (UVI) for Lensk 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 Lensk typically reaches 3, which falls under the moderate exposure category.

Data source: Lensk 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 Lensk Compares to Other Months

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

This table compares monthly weather conditions in Lensk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-26°C (-14°F)	29 mm (1.1 inches)	99%	low
February Weather	-22°C (-8°F)	29 mm (1.1 inches)	98%	low
March Weather	-12°C (11°F)	28 mm (1.1 inches)	91%	moderate
April Weather	-2°C (29°F)	28 mm (1.1 inches)	82%	moderate
May Weather	6°C (44°F)	53 mm (2.1 inches)	76%	moderate
June Weather	17°C (63°F)	49 mm (1.9 inches)	67%	high
July Weather	18°C (65°F)	68 mm (2.7 inches)	63%	high
August Weather	15°C (60°F)	58 mm (2.3 inches)	75%	moderate
September Weather	7°C (45°F)	56 mm (2.2 inches)	84%	moderate
October Weather	-3°C (28°F)	41 mm (1.6 inches)	93%	low
November Weather	-17°C (1°F)	35 mm (1.4 inches)	100%	low
December Weather	-27°C (-17°F)	35 mm (1.4 inches)	100%	low