nomadseason

September Weather in Moscow, United States

Last updated: June 24, 2025

In September, the average temperature in Moscow, United States hovers around 17°C (62°F), with a minimum dipping to 2°C (36°F) and a maximum reaching up to 35°C (95°F). Expect about 25 mm (1.0 in) of precipitation spread over 4 days, while the average humidity remains at a comfortable 62%.

September Temperature in Moscow

In September in Moscow, the average temperature is 17°C (62°F). Maximums can reach 35°C (95°F) and minimums can be as low as 2°C (36°F). This variation in temperature makes Moscow a destination that requires layered clothing and preparations for both warm and cooler periods during your trip.

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 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec323240475664737362483932
Data source: Temperature data for Moscow generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Moscow

In Moscow in September, the precipitation amount is 25 mm (1.0 in) over the course of 4 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 25 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec73107736257304925698790
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Moscow

In Moscow in September, humidity is 62%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it a comfortable yet slightly muggy environment for traveling, perfect for leisurely strolls but possibly requiring light clothing adjustments.

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 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%87%84%78%78%77%64%62%79%87%90%
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 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 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457991097532
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)73 mm (2.9 inches)89%low
February Weather0°C (32°F)106 mm (4.2 inches)89%moderate
March Weather4°C (40°F)73 mm (2.9 inches)87%moderate
April Weather8°C (48°F)62 mm (2.4 inches)84%high
May Weather14°C (57°F)57 mm (2.2 inches)77%very high
June Weather18°C (65°F)30 mm (1.2 inches)78%very high
July Weather23°C (74°F)4 mm (0.1 inches)77%very high
August Weather23°C (73°F)9 mm (0.4 inches)64%very high
September Weather17°C (62°F)25 mm (1.0 inches)62%high
October Weather9°C (48°F)69 mm (2.7 inches)79%moderate
November Weather4°C (39°F)87 mm (3.4 inches)87%moderate
December Weather0°C (32°F)90 mm (3.5 inches)90%low

Compare Moscow's Climate with Cities Worldwide