What is the weather like in Ulaanbaatar in September?

Expect temperatures between 4°C and 16°C with 14% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Ulaanbaatar in September?

Ulaanbaatar in September scores 66/100 based on 30 years of climate data. Very good conditions overall.

Who should visit Ulaanbaatar in September?

September in Ulaanbaatar is ideal for: Families with children, Outdoor enthusiasts, Photographers, Cultural tourists, Honeymoon couples.

Ulaanbaatar Weather in September | 30-Year Forecast

Avg High

16°C

Hottest around day 1

Avg Low

4°C

Coolest around day 30

Rainy Days

0days

14% avg rain chance

Sunshine

8hrs/day

Autumn season

Essential Travel Info for Ulaanbaatar

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

MNT

₮ Mongolian tögrög

Language

Mongolian

Driving

Right side

Connect

On Peace Avenue at the southwest corner ...

Safety

High Safety

GPI: 1.775

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Health & Safety Advisory

CDC travel health recommendations

8 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Recommended for unvaccinated travelers one year old or older going to Mongolia.Infants 6 to 11 months old should also be vaccinated against Hepatitis A. The dose does not count toward the routine 2-dose series.Travelers allergic to a vaccine component should receive a single dose of immune globulin, which provides effective protection for up to 2 months depending on dosage given.Unvaccinated travelers who are over 40 years old, are immunocompromised, or have chronic medical conditions planning to depart to a risk area in less than 2 weeks should get the initial dose of vaccine and at the same appointment receive immune globulin.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Mongolia.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are commonly found in Mongolia.Rabies is also present in some terrestrial wildlife species.If rabies exposures occur while in Mongolia, rabies vaccines may only be available in larger suburban/urban medical facilities.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

+2 more

Source: CDC Travelers' Health

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Is September a Good Time to Visit Ulaanbaatar?

👍Very good conditions overall(66/100)

Short Answer

September is excellent for visiting Ulaanbaatar: comfortable 16°C temperatures, only 14% rain risk, and 9.7h of daily sunshine create ideal conditions for exploration.

Decision Factors

Vaccinations required

Yellow Fever

Excellent dry conditions

Only 14% rain probability - ideal for outdoor activities

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Plenty of sunshine

9.7h of sunshine daily

Shoulder season - balanced conditions

50% of peak - good value with moderate crowds

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 16.1°C temperatures and low 14% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 16.1°C, 14% rain chance
📸
Photographers
9.7h sunshine, 53% clear skies for golden hour shots
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 88/100 with romantic weather conditions

Who Should Avoid

Suitable for most traveler types

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Ulaanbaatar in September averages 16°C with 14% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Ulaanbaatar in September

What are the temperatures in Ulaanbaatar in September?

Daytime highs average 16°C, nights drop to 4°C. Temperatures remain fairly consistent.

How many rainy days in Ulaanbaatar in September?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Ulaanbaatar in September?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is September peak season in Ulaanbaatar?

This is shoulder season—moderate prices and manageable crowds.

Ulaanbaatar Weather in September

Ulaanbaatar September Weather Calendar