Climate almanac
Ulan Bator
Ulaanbaatar, Mongolia · 47.91°, 106.88°
What is the weather like in Ulan Bator in September?
In September, Ulan Bator is typically 59°F (15°C) during the day and 37°F (3°C) at night. The month brings about 1.8 in (46 mm) of precipitation in total. Snowfall averages about 2.2 in (55 mm) over the month.
- Average high59°F (15°C)
- Average low37°F (3°C)
- Precipitation1.8 in (46 mm)
- Clear or mostly clear days13
- Snowfall2.2 in (55 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)