Moscow
Russia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Moscow, Russia

The Red Square with a close view of the St. Basil
The Red Square with a close view of the St. Basil's Cathedral building in Moscow, Russia
The first month of the autumn, September, is also a moderate month in Moscow, Russia, with average temperature ranging between min 7.4°C (45.3°F) and max 15.7°C (60.3°F).

Temperature

In September, the average high-temperature decreases, from an agreeable 21.9°C (71.4°F) in August, to a moderate 15.7°C (60.3°F). In Moscow, the average low-temperature is 7.4°C (45.3°F).

Humidity

The average relative humidity in Moscow, Russia, is 81%.

Rainfall

In September, the rain falls for 15 days. Throughout September, 68mm (2.7") of precipitation is accumulated. In Moscow, Russia, during the entire year, the rain falls for 105.5 days and collects up to 707mm (27.8") of precipitation.

Snowfall

Months with snowfall are January through May, September through December.

Daylight

In Moscow, the average length of the day is 12.7h.

Sunshine

In Moscow, the average sunshine is 4.9h.

UV index

In Moscow, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in September in Moscow?

The average high-temperature, in September, is 15.7°C (60.3°F), while the average low-temperature is 7.4°C (45.3°F).

What is the average humidity in September in Moscow?

The average relative humidity in September is 81%.

How many days does it rain in September in Moscow?

In September, in Moscow, Russia, the rain falls for 15 days. Throughout September, 68mm (2.7") of precipitation is accumulated.

When does it start to snow in Moscow?

September is the first month it typically snows in Moscow. Throughout September, there are 0.1 snowfall days.

What is the average length of the day in September in Moscow?

In Moscow, the average length of the day in September is 12.7h.

How long on average sun shines in September in Moscow?

In Moscow, Russia, the average sunshine in September is 4.9h.

What is the UV index intensity in September in Moscow?

In Moscow, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Moscow, Russia
  • Average high temperature in September: 15.7°C

The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-4°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is February (-9.8°C).

Average humidity in September - Moscow, Russia
  • Average humidity in September: 81%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is May (64%).

Average rainfall in September - Moscow, Russia
  • Average rainfall in September: 68mm

The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the lowest rainfall) is March (35mm).

Average rainfall days in September - Moscow, Russia
  • Average rainfall days in September: 15 days

Months with the highest number of rainy days are July, August and September (15 days).
The month with the lowest number of rainy days is February (0.7 days).

Average snowfall days in September - Moscow, Russia
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (18 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in September / Average sunshine in September - Moscow, Russia
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.5h).
The month with shortest days is December (Average daylight: 7.1h).

  • Average sunshine in September: 4.9h

The month with most sunshine is June (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 0.6h).

Average UV index in September - Moscow, Russia
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).