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
The shift from August to September involves a decrease in the average high-temperature, from a pleasant 22.2°C (72°F) to a moderate 15.4°C (59.7°F). During the nights in September, Altanbulag experiences a consistent average temperature of 4.5°C (40.1°F).Humidity
The average relative humidity in September is 65%.Rainfall
In Altanbulag, Mongolia, in September, during 11 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Altanbulag, during the entire year, the rain falls for 90.1 days and collects up to 237mm (9.33") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 37mm (1.46") of snow. Throughout the year, there are 63 snowfall days, and 324mm (12.76") of snow is accumulated.Daylight
In Altanbulag, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:09 and sunset at 19:38. On the last day of September, sunrise is at 06:53 and sunset at 18:34 +08.
Sunshine
In Altanbulag, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Altanbulag is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Altanbulag in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow in Altanbulag?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September in Altanbulag?
Average temperature in September
Altanbulag, Mongolia
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-16.7°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-25.2°C).
Average pressure in September
Altanbulag, Mongolia
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is January (1035mbar).
The month with the lowest atmospheric pressure is July (1005.6mbar).
Average wind speed in September
Altanbulag, Mongolia
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is May (14.2km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in September
Altanbulag, Mongolia
- Average humidity in September: 65%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (46%).
Average rainfall in September
Altanbulag, Mongolia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (54mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
Altanbulag, Mongolia
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is August (15.7 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
Altanbulag, Mongolia
- Average snowfall in September: 37mm
The month with the highest snowfall is October (56mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Altanbulag, Mongolia
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is March (10.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Altanbulag, Mongolia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Altanbulag, Mongolia
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Altanbulag, Mongolia
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Altanbulag, Mongolia
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Altanbulag, Mongolia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (7km).
