September Weather in Yaroslavskaya, Russian Federation

Last updated: August 27, 2025

In Yaroslavskaya, Russian Federation, the average temperature in September hovers around 18°C (65°F). During this time, temperatures can range from a brisk 4°C (39°F) to a sweltering 37°C (99°F). Precipitation averages 70 mm (2.8 in) over 8 days, while the average humidity sits comfortably at 51%.

September Temperature in Yaroslavskaya

In September, in Yaroslavskaya, the average temperature is 18°C (65°F). Maximums can reach 37°C (99°F), while minimums can be as low as 4°C (39°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Yaroslavskaya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yaroslavskaya, September typically has an average temperature of 18°C (65°F), with highs reaching up to 37°C (99°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Yaroslavskaya

In Yaroslavskaya in September, the total precipitation amount is 70 mm (2.8 in), spread over the course of 8 days.

September Precipitation Trends in Yaroslavskaya

The chart displays monthly precipitation patterns in Yaroslavskaya, 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 Yaroslavskaya, September typically receives around 70 mm (2.8 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 Yaroslavskaya

In Yaroslavskaya in September, humidity is 51%. With an average temperature of 18°C (65°F), this humidity feels like a mild embrace, making it quite pleasant for traveling, allowing for comfortable exploration without the overwhelming heat or stickiness often found in more humid climates.

September Average Humidity in Yaroslavskaya

This chart illustrates the average monthly humidity levels in Yaroslavskaya, 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 Yaroslavskaya is approximately 51%, 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 Yaroslavskaya

In Yaroslavskaya in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Yaroslavskaya.

Maximum UV Index Levels in Yaroslavskaya for September

The chart shows the monthly maximum UV Index (UVI) for Yaroslavskaya 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 Yaroslavskaya typically reaches 7, which falls under the high exposure category.

Data source: Yaroslavskaya 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 Yaroslavskaya Compares to Other Months

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

This table compares monthly weather conditions in Yaroslavskaya, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	50 mm (2.0 inches)	87%	moderate
February Weather	1°C (35°F)	58 mm (2.3 inches)	87%	moderate
March Weather	5°C (41°F)	82 mm (3.2 inches)	81%	high
April Weather	11°C (51°F)	55 mm (2.2 inches)	73%	high
May Weather	16°C (60°F)	117 mm (4.6 inches)	66%	very high
June Weather	21°C (69°F)	76 mm (3.0 inches)	69%	very high
July Weather	23°C (74°F)	66 mm (2.6 inches)	57%	very high
August Weather	23°C (74°F)	56 mm (2.2 inches)	41%	very high
September Weather	18°C (65°F)	70 mm (2.8 inches)	51%	high
October Weather	12°C (54°F)	57 mm (2.3 inches)	74%	moderate
November Weather	5°C (42°F)	44 mm (1.7 inches)	88%	moderate
December Weather	2°C (36°F)	58 mm (2.3 inches)	88%	low