September weather forecastUst'-Chaya, Russia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Ust'-Chaya, Russia, with an average temperature fluctuating between 4.1°C (39.4°F) and 13.2°C (55.8°F).Temperature
Ust'-Chaya witnesses a significant decrease in the average high-temperature with the arrival of September, falling from August's agreeable 21.4°C (70.5°F) to a refreshing 13.2°C (55.8°F). Throughout September, Ust'-Chaya registers a consistent average low-temperature of 4.1°C (39.4°F).Humidity
In Ust'-Chaya, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Ust'-Chaya, there are 87.9 rainfall days, and 256mm (10.08") of precipitation is accumulated.Snowfall
Months with snowfall in Ust'-Chaya, Russia, are January through May, September through December. September is the first month it typically snows in Ust'-Chaya, Russia. Throughout September, in the average 1.4 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 116.6 snowfall days, and 697mm (27.44") of snow is accumulated.Daylight
In Ust'-Chaya, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 05:29 and sunset at 19:29. On the last day of September, in Ust'-Chaya, sunrise is at 06:32 and sunset at 18:06 +06.
Sunshine
The average sunshine in September is 5.9h.UV index
The average daily maximum UV index in September in Ust'-Chaya is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during September leads to these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ust'-Chaya, Russia
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (-16.8°C).
- Average low temperature in September: 4.1°C
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-23.2°C).
Average pressure in September
Ust'-Chaya, Russia
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is January (1028.1mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in September
Ust'-Chaya, Russia
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is May (11.6km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).
Average humidity in September
Ust'-Chaya, Russia
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (97%).
The month with the lowest relative humidity is June (60%).
Average rainfall in September
Ust'-Chaya, Russia
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is August (34mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
Ust'-Chaya, Russia
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is August (13.3 days).
The month with the least rainy days is December (0.6 days).
Average snowfall in September
Ust'-Chaya, Russia
- Average snowfall in September: 5mm
The month with the highest snowfall is November (156mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ust'-Chaya, Russia
- Average snowfall days in September: 1.4 days
The month with the highest number of snowfall days is November (20.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ust'-Chaya, Russia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 1h and 0min).
Average sunshine days in September
Ust'-Chaya, Russia
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is July (16.3 days).
The month with the least sunshine days is November (11 days).
Average UV index in September
Ust'-Chaya, 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
Ust'-Chaya, Russia
- Average cloud cover in September: 55
The month with the most cloud cover is February (Cloud cover 88).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Ust'-Chaya, Russia
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (4km).





