Weather in Ulan Bator in September
Ulan Bator, Mongolia averages a high of 16°C (60.8°F) and low of 3.5°C (38.3°F) in September, with 7 rain days and 10.2 hours of daily sunshine. Travel score: 76.8/100 (Good). The best time to visit Ulan Bator is July.
High
16°C61°F
Low
4°C38°F
🌧️
7
rain days
☀️
10.2
hrs/day sunshine
💧
61%
humidity
77— Good
September in Ulan Bator is mild and mostly dry — good for most activities.
What are the average temperatures in Ulan Bator?
How much does it rain in Ulan Bator in September?
Ulan Bator receives an average of 34.8mm of rainfall across 7 rainy days in September. The annual total is 311.5mm.
What should I pack for Ulan Bator in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°C
🧤
Warm gloves
Cold nights around 4°C
🧣
Warm scarf
Protect against cold winds
Traveling to Mongolia in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31