September weather forecastDadal, Mongolia
September
Weather in September
September in Dadal, Mongolia, brings the arrival of the vibrant Autumn season. There's a conspicuous drop in temperature, indicating a deviation from August's warmer weather. The cityscape undergoes a transformation into a magical gradient of crisp leaves in shades of amber, crimson, and gold. Interestingly, September sees the reemergence of snow after a warm summer hiatus. Time to bring out the light knitwear and savour warming beverages while basking in the breath-taking Autumn spectacle.Temperature
In Dadal, the average high-temperature in September drops from a pleasant 21.8°C (71.2°F) in August to a moderate 15.1°C (59.2°F). Dadal observes an average low-temperature of 3.5°C (38.3°F) during September.Humidity
The average relative humidity in September in Dadal is 63%.Rainfall
In September, in Dadal, the rain falls for 11.9 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 102 rainfall days, and 302mm (11.89") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Dadal, there are 43.3 snowfall days, and 237mm (9.33") of snow is accumulated.Daylight
In Dadal, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:49 and sunset at 19:16. On the last day of the month, sunrise is at 06:31 and sunset at 18:14 +08.
Sunshine
The average sunshine in September is 9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dadal, Mongolia
- Average high temperature in September: 15.1°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 (-14.6°C).
- Average low temperature in September: 3.5°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is January (-25.1°C).
Average pressure in September
Dadal, Mongolia
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is January (1031.7mbar).
The month with the lowest atmospheric pressure is July (1005mbar).
Average wind speed in September
Dadal, Mongolia
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is May (13.1km/h).
The calmest month (with the lowest average wind speed) is January (7.6km/h).
Average humidity in September
Dadal, 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 (44%).
Average rainfall in September
Dadal, Mongolia
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (83mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in September
Dadal, Mongolia
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (2.6 days).
Average snowfall in September
Dadal, Mongolia
- Average snowfall in September: 9mm
The month with the highest snowfall is October (63mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Dadal, Mongolia
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is March (9.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Dadal, Mongolia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in September
Dadal, Mongolia
- Average sunshine days in September: 15 days
The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Dadal, Mongolia
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Dadal, Mongolia
- Average cloud cover in September: 27
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are May and September (Cloud cover 27).
Average visibility in September
Dadal, Mongolia
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July and September (10km).
The month with the lowest visibility is January (6km).





