Arvaikheer
Mongolia
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Arvaikheer, Mongolia

September, the first month of the autumn, in Arvaikheer, is still a mild month, with average temperature ranging between min 2.7°C (36.9°F) and max 15.2°C (59.4°F).

Temperature

In Arvaikheer, the average high-temperature marginally drops, from a pleasant 20.1°C (68.2°F) in August, to a moderate 15.2°C (59.4°F). The average low-temperature, in Arvaikheer, is 2.7°C (36.9°F).

Rainfall

In Arvaikheer, Mongolia, during 3.1 rainfall days, 19.9mm (0.8") of precipitation is typically accumulated. In Arvaikheer, during the entire year, the rain falls for 38.7 days and collects up to 207.6mm (8.2") of precipitation.

Daylight

In Arvaikheer, the average length of the day in September is 12.6h.

What is the temperature in September in Arvaikheer?

In Arvaikheer, Mongolia, in September, the average high-temperature is 15.2°C (59.4°F), and the average low-temperature is 2.7°C (36.9°F).

How many days does it rain in September in Arvaikheer?

In Arvaikheer, in September, it is raining for 3.1 days, with typically 19.9mm (0.8") of accumulated precipitation.

How many hours of daylight does Arvaikheer have in September?

In Arvaikheer, the average length of the day in September is 12.6h.
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 lowest 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 lowest number of rainy days is January (0.2 days).

Average daylight in September - Arvaikheer, Mongolia
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).