September weather forecast and climate
Altai, Mongolia

September, the first month of the autumn, in Altai, is also a mild month, with average temperature fluctuating between 1°C (33.8°F) and 14°C (57.2°F).

Temperature

In Altai, in September, the average high-temperature is 14°C (57.2°F), and the average low-temperature is 1°C (33.8°F).

Rainfall

In September, the rain falls for 7 days. Throughout September, 16mm (0.6") of precipitation is accumulated. Throughout the year, there are 74 rainfall days, and 153mm (6") of precipitation is accumulated.

Daylight

In Altai, the average length of the day is 12.6h.

Sunshine

In September, the average sunshine is 9h.

UV index

The average UV index in September is 5.

What is the temperature in September in Altai?

In September, the average high-temperature is 14°C (57.2°F), and the average low-temperature is 1°C (33.8°F).

How many days does it rain in September in Altai?

In Altai, during September, the rain falls for 7 days and regularly aggregates up to 16mm (0.6") of precipitation.

How many hours of daylight does Altai have in September?

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

How long on average sun shines in September in Altai?

In Altai, the average sunshine in September is 9h.

What is the UV index reading in September in Altai?

In Altai, the average UV index in September is 5.
Average temperature in September - Altai, Mongolia
  • Average high temperature in September: 14°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-10°C).

  • Average low temperature in September: 1°C

The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is January (-25°C).

Average rainfall in September - Altai, Mongolia
  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is July (44mm).
Driest months (with the lowest rainfall) are January and February (1mm).

Average rainfall days in September - Altai, Mongolia
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is July (12 days).
Months with the lowest number of rainy days are January, February and December (3 days).

Average daylight in September / Average sunshine in September - Altai, 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).

  • Average sunshine in September: 9h

Months with most sunshine are May, June, July and August (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in September - Altai, Mongolia
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 1).

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