Weather in September
The transition from summertime to autumn is significant as Arvaikheer enters September. The heat starts to recede, paving the way for cooler days and nights. The city witnesses a sharp fall in rainfall after the peak observed in the previous two months. The dwindling daylight hours signal the approaching end of the warm season. September's mellow weather finds a sweet spot between the extremes of summer heat and winter cold in Arvaikheer.
On the first day of September, sunrise is at 06:29 and sunset at 19:48. On the last day of the month, sunrise is at 07:06 and sunset at 18:51 +08.
[Resources]Temperature
Arvaikheer records a mild change in average high-temperature during September, easing from a pleasant 20.1°C (68.2°F) in August to a mild 15.2°C (59.4°F). Arvaikheer documents a substantial deviation from daytime highs with a consistent low-temperature of 2.7°C (36.9°F) during September nights.Rainfall
In Arvaikheer, in September, during 3.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Arvaikheer, during the entire year, the rain falls for 38.7 days and collects up to 208mm (8.19") of precipitation.Daylight
The average length of the day in September in Arvaikheer, Mongolia, is 12h and 34min.On the first day of September, sunrise is at 06:29 and sunset at 19:48. On the last day of the month, sunrise is at 07:06 and sunset at 18:51 +08.
Frequently asked questions
What are September temperatures in Arvaikheer?
The average high-temperature, in September, in Arvaikheer, is 15.2°C (59.4°F), while the average low-temperature is 2.7°C (36.9°F).
How much does it rain in Arvaikheer in September?
In Arvaikheer, in September, during 3.1 rainfall days, 20mm (0.79") of precipitation is typically accumulated.
How many hours of daylight does Arvaikheer have in September?
In Arvaikheer, Mongolia, the average day length in September is 12h and 34min.
When are sunrise and sunset in September in Arvaikheer?
On the first day of September in Arvaikheer, Mongolia, sunrise is at 06:29 and sunset at 19:48. On the last day of the month, sunrise is at 07:06 and sunset at 18:51 +08.
Average temperature in September
Arvaikheer, Mongolia
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-8.5°C).
- Average low temperature in September: 2.7°C
The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is January (-20°C).
Average rainfall in September
Arvaikheer, Mongolia
- Average rainfall in September: 19.9mm
The wettest month (with the highest rainfall) is July (60.1mm).
The driest month (with the least rainfall) is January (0.8mm).
Average rainfall days in September
Arvaikheer, Mongolia
- Average rainfall days in September: 3.1 days
The month with the highest number of rainy days is July (11 days).
The month with the least rainy days is January (0.2 days).
Average daylight in September
Arvaikheer, Mongolia
- Average daylight in September: 12h and 4min
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).
Arvaikheer, Mongolia
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