September weather forecastFastov, Russia
September
Weather in September
September, the first month of the autumn in Fastov, is still a pleasant month, with an average temperature fluctuating between 12.4°C (54.3°F) and 21.5°C (70.7°F).Temperature
In September, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 29.3°C (84.7°F) in August to a pleasant 21.5°C (70.7°F). Throughout the month of September, Fastov witnesses an average temperature of 12.4°C (54.3°F).Humidity
In Fastov, the average relative humidity in September is 52%.Rainfall
In Fastov, in September, during 6.9 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, in Fastov, Russia, there are 81.9 rainfall days, and 147mm (5.79") of precipitation is accumulated.Snowfall
In Fastov, snow does not fall in May through September.Daylight
The average length of the day in September in Fastov is 12h and 36min.On the first day of the month, sunrise is at 05:20 and sunset at 18:45. On the last day of September, sunrise is at 06:01 and sunset at 17:44 MSK.
Sunshine
In September, the average sunshine in Fastov is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fastov, Russia
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is July (30.2°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (-9.5°C).
Average pressure in September
Fastov, Russia
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is November (1023.6mbar).
The month with the lowest atmospheric pressure is July (1011.4mbar).
Average wind speed in September
Fastov, Russia
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is December (18.2km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Fastov, Russia
- Average humidity in September: 52%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is August (44%).
Average rainfall in September
Fastov, Russia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is May (28mm).
The driest month (with the least rainfall) is November (5mm).
Average rainfall days in September
Fastov, Russia
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is May (11.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Fastov, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Fastov, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Fastov, Russia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Fastov, Russia
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is August (24.7 days).
The month with the least sunshine days is January (15.2 days).
Average UV index in September
Fastov, Russia
- Average UV index in September: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Fastov, Russia
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Fastov, Russia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and February (8km).





