September weather forecastDuut, Mongolia
September
Weather in September
As September commences, Duut, Mongolia attends to the gradual shift from summer to autumn. September's weather sees developments from August, most notably the reduction in temperature, shortening daylight hours, and fewer rainfall days. With autumnal progression, September weather re-introduces snowfall at an average of 1mm (0.04"). The transition from summer's lingering heat to the incoming chill of October encourages outdoor enthusiasts to seize the remaining warmer days.Temperature
Duut in September demonstrates a small temperature transition, adjusting from an average high of an agreeable 20.8°C (69.4°F) in August to a moderate 14.9°C (58.8°F). Nighttime temperatures hover around an average low of 5.2°C (41.4°F) in September.Humidity
In Duut, the average relative humidity in September is 42%.Rainfall
In September, the rain falls for 3.5 days. Throughout September, 6mm (0.24") of precipitation is accumulated. Throughout the year, in Duut, there are 47.6 rainfall days, and 88mm (3.46") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 14.7 snowfall days, and 128mm (5.04") of snow is accumulated.Daylight
In Duut, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:13 and sunset at 19:34. On the last day of September, sunrise is at 06:51 and sunset at 18:35 +07.
Sunshine
In September, the average sunshine in Duut is 9.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Duut, Mongolia
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (-12°C).
- Average low temperature in September: 5.2°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-21.3°C).
Average pressure in September
Duut, Mongolia
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is January (1035.1mbar).
The month with the lowest atmospheric pressure is July (1007mbar).
Average wind speed in September
Duut, Mongolia
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is January (5.9km/h).
Average humidity in September
Duut, Mongolia
- Average humidity in September: 42%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is May (35%).
Average rainfall in September
Duut, Mongolia
- Average rainfall in September: 6mm
The wettest month (with the highest rainfall) is July (22mm).
The driest months (with the least rainfall) are January and December (0mm).
Average rainfall days in September
Duut, Mongolia
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is July (9.8 days).
The month with the least rainy days is December (0.8 days).
Average snowfall in September
Duut, Mongolia
- Average snowfall in September: 1mm
The month with the highest snowfall is October (34mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Duut, Mongolia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (3.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Duut, Mongolia
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 36min
The months with the most sunshine are June and July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Duut, Mongolia
- Average sunshine days in September: 25.8 days
The month with the most sunshine days is December (30 days).
The month with the least sunshine days is June (17.7 days).
Average UV index in September
Duut, Mongolia
- Average UV index in September: 3
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, October, November and December (UV index 2).
Average cloud cover in September
Duut, Mongolia
- Average cloud cover in September: 15
The months with the most cloud cover are January and February (Cloud cover 23).
The months with the least cloud cover are August and September (Cloud cover 15).
Average visibility in September
Duut, Mongolia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
