Ulaanbaatar weather in September (Mongolia)

How is the weather in Ulaanbaatar in September? Wondering if it's an optimal time for a visit? This page provides detailed information on the weather conditions for that month.

In September, Ulaanbaatar generally has moderate temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 16°C. But by evening, they drop to around 2°C.

Ulaanbaatar in September usually receives moderate rainfall, averaging around 43 mm for the month. When we look at the climate data from the last 30 years, we can expect around 9 days of rain.

With around 247 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Ulaanbaatar climate page with graphs.

 

Ulaanbaatar, monthly averages in September

Min TemperatureMin Temperature 2°C  
Max TemperatureMax Temperature 16°C  
Chance of RainChance of Rain 29%  
PrecipitationPrecipitation 43 mm  
Rainy daysRainy days 9 days  
HumidityHumidity 60%  
SunshineSunshine 247 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Mongolia in September

Find out more about the weather in Mongolia in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Ulaanbaatar 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. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling
6/10
Walking
6/10
Camping
5/10
Outdoor sports
10/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Ulaanbaatar.

Our site offers climate and forecast data for every country in the world. Are you going to Mongolia? On this website you can find historical weather averages for many cities in Mongolia. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.