Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Smolensk's September weather comes with a decrease in average high-temperatures, moving from an agreeable 22.1°C (71.8°F) in August to a refreshing 16.4°C (61.5°F). The temperature in Smolensk dips to an average of 7.9°C (46.2°F) during September nights.Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall in Smolensk. Rain falls for 12.5 days and accumulates 30mm (1.18") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Smolensk is 12h and 43min.On the first day of September in Smolensk, sunrise is at 05:59 and sunset at 19:43. On the last day of the month, sunrise is at 06:53 and sunset at 18:30 MSK.
Sunshine
In September, the average sunshine in Smolensk is 6.7h.UV index
The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in September interprets into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are the temperatures in Smolensk in September?
What is the average humidity in September in Smolensk?
What is the driest month in Smolensk?
How many days does it rain in September in Smolensk?
When it does not snow in Smolensk?
Does it snow in Smolensk in September?
What is the average length of the day in September in Smolensk?
When is the sunrise / sunset in September in Smolensk?
How many hours of sunshine does Smolensk have in September?
How high is the UV index in September in Smolensk?
Average temperature in September
Smolensk, Russia
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-5.2°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in September
Smolensk, Russia
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in September
Smolensk, Russia
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Smolensk, Russia
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Smolensk, Russia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (68mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Smolensk, Russia
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Smolensk, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (215mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Smolensk, Russia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Smolensk, Russia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Smolensk, Russia
- Average sunshine days in September: 14 days
The month with the most sunshine days is August (15.1 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in September
Smolensk, Russia
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Smolensk, Russia
- Average cloud cover in September: 48
The months with the most cloud cover are January, February and December (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Smolensk, Russia
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March and December (7km).
Smolensk, Russia
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