September Weather in Osel'ki, Russian Federation

Last updated: August 27, 2025

In Osel'ki, Russian Federation, the average temperature in September hovers around 12°C (53°F). Expect a range that can dip to a brisk 0°C (32°F) and peak at a pleasant 25°C (77°F). Rainfall is not uncommon, with an average precipitation of 69 mm (2.7 in) spread over 13 days. Humidity levels are high, averaging at a steamy 91%.

September Temperature in Osel'ki

In September in Osel'ki, the average temperature is 12°C (53°F). Maximum temperatures can reach up to 25°C (77°F), while minimum temperatures can dip as low as 0°C (32°F). Be sure to pack layers for your trip, as the temperature can vary significantly throughout the day.

September Weather in Osel'ki: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Osel'ki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osel'ki, September typically has an average temperature of 12°C (53°F), with highs reaching up to 25°C (77°F) and lows dropping to around 0°C (32°F).

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

September Precipitation in Osel'ki

In Osel'ki in September, the precipitation amount is 69 mm (2.7 in) over the course of 13 days.

September Precipitation Trends in Osel'ki

The chart displays monthly precipitation patterns in Osel'ki, 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 Osel'ki, September typically receives around 69 mm (2.7 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 Osel'ki

In Osel'ki in September humidity is 91%. With an average temperature of 12°C (53°F), this humidity feels like a heavy cloak enveloping you, making every step feel laborious and the air thick and damp, which can dampen the excitement of traveling.

September Average Humidity in Osel'ki

This chart illustrates the average monthly humidity levels in Osel'ki, 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 Osel'ki is approximately 91%, 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 Osel'ki

In Osel'ki in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Osel'ki for better planning.

Maximum UV Index Levels in Osel'ki for September

The chart shows the monthly maximum UV Index (UVI) for Osel'ki 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 Osel'ki typically reaches 4, which falls under the moderate exposure category.

Data source: Osel'ki 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 Osel'ki Compares to Other Months

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

This table compares monthly weather conditions in Osel'ki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	39 mm (1.6 inches)	98%	low
February Weather	-5°C (24°F)	49 mm (1.9 inches)	96%	low
March Weather	-2°C (29°F)	50 mm (2.0 inches)	94%	moderate
April Weather	4°C (39°F)	60 mm (2.3 inches)	88%	moderate
May Weather	10°C (50°F)	54 mm (2.1 inches)	78%	moderate
June Weather	16°C (62°F)	60 mm (2.4 inches)	76%	high
July Weather	18°C (64°F)	96 mm (3.8 inches)	83%	high
August Weather	16°C (61°F)	112 mm (4.4 inches)	86%	moderate
September Weather	12°C (53°F)	69 mm (2.7 inches)	91%	moderate
October Weather	6°C (44°F)	79 mm (3.1 inches)	93%	low
November Weather	2°C (35°F)	47 mm (1.9 inches)	93%	low
December Weather	-3°C (27°F)	68 mm (2.7 inches)	95%	low