September Weather in Moscow, United States

Last updated: June 24, 2025

In September, the average temperature in Moscow, United States hovers around 24°C (76°F), providing a pleasant climate for visitors. Expect a range between a minimum of 10°C (51°F) and a maximum of 36°C (97°F). During this month, precipitation amounts to 111 mm (4.4 in) spread over 8 days, while the average humidity sits at a comfortable 70%. 🌦️

September Temperature in Moscow

In September in Moscow, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 10°C (51°F). This diverse temperature range makes it an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Moscow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moscow, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 10°C (51°F).

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

September Precipitation in Moscow

In Moscow in September, the precipitation amount is 111 mm (4.4 in) spread over 8 days.

September Precipitation Trends in Moscow

The chart displays monthly precipitation patterns in Moscow, 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 Moscow, September typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

September Humidity in Moscow

In Moscow in September, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

September Average Humidity in Moscow

This chart illustrates the average monthly humidity levels in Moscow, 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 Moscow is approximately 70%, 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 Moscow

In Moscow in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Moscow.

Maximum UV Index Levels in Moscow for September

The chart shows the monthly maximum UV Index (UVI) for Moscow 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 Moscow typically reaches 9, which falls under the very high exposure category.

Data source: Moscow 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 Moscow Compares to Other Months

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

This table compares monthly weather conditions in Moscow, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	106 mm (4.2 inches)	86%	moderate
February Weather	8°C (47°F)	175 mm (6.9 inches)	85%	high
March Weather	13°C (55°F)	166 mm (6.5 inches)	84%	high
April Weather	16°C (61°F)	139 mm (5.5 inches)	81%	very high
May Weather	22°C (71°F)	117 mm (4.6 inches)	83%	very high
June Weather	26°C (78°F)	121 mm (4.8 inches)	83%	extreme
July Weather	27°C (81°F)	136 mm (5.4 inches)	80%	extreme
August Weather	26°C (80°F)	119 mm (4.7 inches)	73%	very high
September Weather	24°C (76°F)	111 mm (4.4 inches)	70%	very high
October Weather	18°C (65°F)	110 mm (4.3 inches)	73%	high
November Weather	10°C (51°F)	76 mm (3.0 inches)	85%	moderate
December Weather	8°C (47°F)	150 mm (5.9 inches)	88%	moderate