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
September
Weather in September
Temperature
Ust-Mil experiences a noticeable temperature shift with the start of September, with average high-temperatures moving from an agreeable 21.6°C (70.9°F) in August to a cool 11.5°C (52.7°F). During the month of September, the temperature falls to an average of 1.8°C (35.2°F).Humidity
In September, the average relative humidity is 74%.Rainfall
In Ust-Mil, in September, it is raining for 10 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 66.9 rainfall days, and 198mm (7.8") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 2.7 snowfall days, it receives 28mm (1.1") of snow. In Ust-Mil, during the entire year, snow falls for 141.3 days and aggregates up to 656mm (25.83") of snow.Daylight
The average length of the day in September is 12h and 53min.On the first day of September, sunrise is at 05:04 and sunset at 19:10. On the last day of the month, sunrise is at 06:10 and sunset at 17:43 +09.
Sunshine
In Ust-Mil, the average sunshine in September is 7.9h.UV index
In Ust-Mil, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September in Ust-Mil?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Ust-Mil, Russia
- Average high temperature in September: 11.5°C
The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is December (-29.3°C).
- Average low temperature in September: 1.8°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is December (-35.7°C).
Average pressure in September
Ust-Mil, Russia
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is December (1027.9mbar).
The month with the lowest atmospheric pressure is July (1005mbar).
Average wind speed in September
Ust-Mil, Russia
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is May (9.7km/h).
The calmest month (with the lowest average wind speed) is December (5.7km/h).
Average humidity in September
Ust-Mil, Russia
- Average humidity in September: 74%
The month with the highest relative humidity is December (98%).
The month with the lowest relative humidity is June (54%).
Average rainfall in September
Ust-Mil, Russia
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is February (7mm).
Average rainfall days in September
Ust-Mil, Russia
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is January (0.3 days).
Average snowfall in September
Ust-Mil, Russia
- Average snowfall in September: 28mm
The month with the highest snowfall is October (135mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Ust-Mil, Russia
- Average snowfall days in September: 2.7 days
The month with the highest number of snowfall days is March (21.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ust-Mil, Russia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 14h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Ust-Mil, Russia
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is June (19.1 days).
The month with the least sunshine days is April (8.5 days).
Average UV index in September
Ust-Mil, 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, April, October, November and December (UV index 1).
Average cloud cover in September
Ust-Mil, Russia
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 90).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Ust-Mil, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and December (3km).
