September Weather in Sayansk, Russian Federation

Last updated: August 27, 2025

In September, the average temperature in Sayansk, Russian Federation hovers around 9°C (49°F). Expect some chilly days, with temperatures dipping as low as -4°C (26°F) and occasionally reaching a comfortable 25°C (78°F). During this month, anticipate 70 mm (2.8 in) of precipitation spread over 13 days, contributing to an average humidity level of 84%.

September Temperature in Sayansk

In September in Sayansk, the average temperature is 9°C (49°F). The maximum can reach 25°C (78°F), and the minimum can be as low as -4°C (26°F). Be prepared for a wide range of temperatures to make the most of your travels.

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

The chart illustrates September temperature patterns in Sayansk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayansk, September typically has an average temperature of 9°C (49°F), with highs reaching up to 25°C (78°F) and lows dropping to around -4°C (26°F).

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

September Precipitation in Sayansk

In Sayansk in September, the precipitation amount is 70 mm (2.8 in) spread over 13 days.

September Precipitation Trends in Sayansk

The chart displays monthly precipitation patterns in Sayansk, 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 Sayansk, September typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 13 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 Sayansk

In Sayansk in September, humidity is 84%. With an average temperature of 9°C (49°F), this humidity feels like a chilly embrace, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cool yet clammy.

September Average Humidity in Sayansk

This chart illustrates the average monthly humidity levels in Sayansk, 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 Sayansk 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 Sayansk

In Sayansk 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 Sayansk.

Maximum UV Index Levels in Sayansk for September

The chart shows the monthly maximum UV Index (UVI) for Sayansk 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 Sayansk typically reaches 5, which falls under the moderate exposure category.

Data source: Sayansk 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 Sayansk Compares to Other Months

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

This table compares monthly weather conditions in Sayansk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-21°C (-5°F)	12 mm (0.5 inches)	93%	low
February Weather	-17°C (1°F)	13 mm (0.5 inches)	88%	low
March Weather	-6°C (21°F)	17 mm (0.7 inches)	81%	moderate
April Weather	4°C (39°F)	16 mm (0.6 inches)	77%	moderate
May Weather	10°C (51°F)	48 mm (1.9 inches)	74%	high
June Weather	17°C (63°F)	69 mm (2.7 inches)	73%	high
July Weather	19°C (66°F)	89 mm (3.5 inches)	76%	high
August Weather	16°C (62°F)	69 mm (2.7 inches)	78%	high
September Weather	9°C (49°F)	70 mm (2.8 inches)	84%	moderate
October Weather	1°C (34°F)	20 mm (0.8 inches)	86%	moderate
November Weather	-9°C (15°F)	16 mm (0.6 inches)	91%	low
December Weather	-18°C (1°F)	28 mm (1.1 inches)	95%	low