September Weather in Mirny, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Mirny, Russian Federation hovers around 6°C (43°F), making it a cool time of year. Expect minimum temperatures to dip as low as -6°C (22°F) and highs reaching up to 22°C (72°F). Visitors should prepare for about 35 mm (1.4 in) of precipitation spread over 8 days and a notable average humidity of 86%. Embrace the unique climate of this beautiful destination!

September Temperature in Mirny

In September in Mirny, the average temperature is 6°C (43°F). The maximum can reach 22°C (72°F), while the minimum can dip as low as -6°C (22°F). Be prepared for a wide range of temperatures during your travels to Mirny in September.

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

The chart illustrates September temperature patterns in Mirny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mirny, September typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -6°C (22°F).

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

September Precipitation in Mirny

In Mirny in September, the precipitation amount is 35 mm (1.4 in) over the course of 8 days.

September Precipitation Trends in Mirny

The chart displays monthly precipitation patterns in Mirny, 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 Mirny, September typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 8 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 Mirny

In Mirny in September humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

September Average Humidity in Mirny

This chart illustrates the average monthly humidity levels in Mirny, 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 Mirny is approximately 86%, 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 Mirny

In Mirny 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 Mirny, you can check the information here.

Maximum UV Index Levels in Mirny for September

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

Data source: Mirny 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 Mirny Compares to Other Months

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

This table compares monthly weather conditions in Mirny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-28°C (-19°F)	14 mm (0.6 inches)	99%	low
February Weather	-25°C (-12°F)	14 mm (0.5 inches)	98%	low
March Weather	-14°C (7°F)	17 mm (0.7 inches)	92%	moderate
April Weather	-4°C (26°F)	23 mm (0.9 inches)	83%	moderate
May Weather	6°C (43°F)	43 mm (1.7 inches)	77%	moderate
June Weather	18°C (64°F)	33 mm (1.3 inches)	71%	high
July Weather	18°C (64°F)	57 mm (2.2 inches)	64%	high
August Weather	15°C (59°F)	53 mm (2.1 inches)	79%	moderate
September Weather	6°C (43°F)	35 mm (1.4 inches)	86%	moderate
October Weather	-3°C (27°F)	28 mm (1.1 inches)	91%	low
November Weather	-20°C (-3°F)	23 mm (0.9 inches)	100%	low
December Weather	-30°C (-22°F)	19 mm (0.7 inches)	100%	low