September weather forecastBayankhongor, Mongolia
September
Weather in September
September heralds the transition from summer to autumn in Bayankhongor. As the daily temperatures start to descend, the city experiences its last warm phase. Rainfall reduces significantly in September, deeply contrasting the wet summer months. There's an evident downward trend in daylight hours, signaling the approaching winter period. Bayankhongor in September offers a crisp air that is unmistakably representative of the autumn season.Temperature
September's onset brings a reduction in the average high-temperature, from a pleasant 21.5°C (70.7°F) in August to a moderate 15.9°C (60.6°F). During September, Bayankhongor perceives a consistent contrast from the daytime highs, with an average low-temperature of 2.1°C (35.8°F).Rainfall
In Bayankhongor, in September, it is raining for 2.7 days, with typically 18mm (0.71") of accumulated precipitation. Throughout the year, in Bayankhongor, Mongolia, there are 30.5 rainfall days, and 199mm (7.83") of precipitation is accumulated.Daylight
The average length of the day in September in Bayankhongor is 12h and 34min.On the first day of the month, sunrise is at 06:38 and sunset at 19:56. On the last day of September, sunrise is at 07:14 and sunset at 18:59 +08.
Sunshine
The average sunshine in September in Bayankhongor is 9.4h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bayankhongor, Mongolia
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (-11.4°C).
- Average low temperature in September: 2.1°C
The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is January (-23.7°C).
Average rainfall in September
Bayankhongor, Mongolia
- Average rainfall in September: 18.3mm
The wettest month (with the highest rainfall) is July (56.2mm).
The driest month (with the least rainfall) is December (1.8mm).
Average rainfall days in September
Bayankhongor, Mongolia
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is July (8 days).
The month with the least rainy days is December (0.4 days).
Average daylight in September /
Average sunshine in September
Bayankhongor, Mongolia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 24min
The months with the most sunshine are May and June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).





