September weather forecastBayanchandmani, Mongolia
September
Weather in September
September signals the transition from summer to autumn in Bayanchandmani. Daylight hours decrease to 12.6, and there's a noticeable drop in temperature from 13.4°C (56.1°F) to 2.5°C (36.5°F). Rainfall reduces considerably, down to 13mm (0.51"), and a resurgence of snowfall at 17mm (0.67") occurs. The gradual shift from green to hues of fiery oranges and reds paints the cityscape. It's a period of tranquility before the onset of another long winter.Temperature
The shift to September brings a decrease in the average high-temperature in Bayanchandmani, falling from a comfortable 19.6°C (67.3°F) in August to a mild 13.4°C (56.1°F). During September, an average low-temperature of 2.5°C (36.5°F) is observed in Bayanchandmani.Humidity
In September, the average relative humidity is 63%.Rainfall
In Bayanchandmani, in September, during 6.1 rainfall days, 13mm (0.51") of precipitation is typically accumulated. In Bayanchandmani, during the entire year, the rain falls for 83 days and collects up to 204mm (8.03") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Bayanchandmani. Throughout September, in the average 1.5 snowfall days, it receives 17mm (0.67") of snow. Throughout the year, in Bayanchandmani, there are 64.7 snowfall days, and 378mm (14.88") of snow is accumulated.Daylight
In Bayanchandmani, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:12 and sunset at 19:36. On the last day of September, in Bayanchandmani, Mongolia, sunrise is at 06:53 and sunset at 18:36 +08.
Sunshine
In Bayanchandmani, Mongolia, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Bayanchandmani, Mongolia, is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 2 in September leads to these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayanchandmani, Mongolia
- Average high temperature in September: 13.4°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (-16.1°C).
- Average low temperature in September: 2.5°C
The month with the highest average low temperature is July (10.6°C).
The coldest month (with the lowest average low temperature) is January (-25.9°C).
Average pressure in September
Bayanchandmani, Mongolia
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is January (1034.8mbar).
The month with the lowest atmospheric pressure is July (1005.6mbar).
Average wind speed in September
Bayanchandmani, Mongolia
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is May (13.2km/h).
The calmest month (with the lowest average wind speed) is January (7.3km/h).
Average humidity in September
Bayanchandmani, Mongolia
- Average humidity in September: 63%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is May (49%).
Average rainfall in September
Bayanchandmani, Mongolia
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in September
Bayanchandmani, Mongolia
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Bayanchandmani, Mongolia
- Average snowfall in September: 17mm
The month with the highest snowfall is October (73mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Bayanchandmani, Mongolia
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Bayanchandmani, Mongolia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Bayanchandmani, Mongolia
- Average sunshine days in September: 22 days
The month with the most sunshine days is October (24.4 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Bayanchandmani, Mongolia
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Bayanchandmani, Mongolia
- Average cloud cover in September: 26
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is May (Cloud cover 25).
Average visibility in September
Bayanchandmani, Mongolia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, September and October (10km).
The month with the lowest visibility is January (7km).
