World Weather & Climate Information

Average weather September in Ulaanbaatar, Mongolia

The average minimum temperature (usually the minimum temperature is noted during the night) in Ulaanbaatar in September is 4.0°C (39.2°F). The amount of rain in September is normal with an average of 30mm (1.2in). If you enjoy looking at a blue sky and like sunbathing than this month is a great period to visit Ulaanbaatar. It has 247 hours of sun.

So what to wear in September? For visitors traveling to Ulaanbaatar we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

Do these climate conditions match with when you want to go to Ulaanbaatar? Find out where to stay here.

For other monthly weather averages and what to do in September look at the numbers below.

Monthly averages

Min Temperature 4.0°C
Max Temperature 17.0°C
Chance of Rain 33.3%
Precipitation 30mm
Rainy Days 10
Humidity 60%
Sunshine Hours 247

What to Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Outdoor sports

More climate information for Ulaanbaatar

Weather and Climate offers all the information you need to know about the climate in Ulaanbaatar.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Mongolia and climate and forecast data for all other countries in the world.

Cheapest month to fly to Ulaanbaatar

Where to stay in Ulaanbaatar