Weather in September 2025

Mongolia weather in September 2025

The weather in Mongolia in September is very cold with temperatures between 4°C and 13°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Mongolia during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

You can expect a few days of snow in Mongolia during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Mongolia.

Our weather forecast can give you a great sense of what weather to expect in Mongolia in September 2025.

If you’re planning to visit Mongolia in the near future, we highly recommend that you review the 14 day weather forecast for Mongolia before you arrive.

Temperatures
Temperatures
13° / 4°
Rainy Days
Rainy Days
4
Snowy Days
Snowy Days
3
Dry Days
Dry Days
23
Rainfall
Rainfall
46
mm
11.4
Sun Hours
11.4
Hrs

Mongolia annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -17° / -26° 1 21 9 3 mm
Awful
February -14° / -25° 3 17 9 6 mm
Awful
March -5° / -15° 4 16 11 15 mm
Awful
April 6° / -3° 4 18 9 26 mm
Awful
May 13° / 3° 4 21 6 47 mm
Bad
June 20° / 10° 8 21 1 84 mm
Ok
July 22° / 13° 8 23 0 114 mm
Ok
August 20° / 10° 8 23 0 99 mm
Ok
September 13° / 4° 4 23 3 46 mm
Bad
October 3° / -4° 3 20 8 19 mm
Awful
November -8° / -16° 3 16 11 13 mm
Awful
December -15° / -24° 2 19 10 4 mm
Awful
Temperatures in Mongolia in September
Rain in Mongolia in September

Recommended Hotels in Mongolia

We know that finding the ideal hotel in Mongolia can be a hard task...

That’s why we run our special tools and found the best hotels in Mongolia. Click on hotel for more details.

Weather in Mongolia in September - FAQ

What is the average temperature in Mongolia in September?
The average temperature in Mongolia in September is 4/13° C.
What is the chance of rain in Mongolia in September?
On average, there are 4 rainy days in Mongolia during September.
Weather wise, is September a good time to visit Mongolia?
The weather in Mongolia in September is bad.
Can it snow in Mongolia in September?
On average, there are 3 snowy days in Mongolia in September.
Cities in Mongolia

For a more accurate weather forecast please select a city

See more locations
More about the weather in Mongolia