Ulaanbaatar Weather in September

September in Ulaanbaatar brings moderate temperatures around 16°C (61°F) during the day, dropping to 2°C (36°F) at night, with some rainfall expected.

Rainfall in Ulaanbaatar in September

You can typically expect 9 days of rain this month, averaging around 43 mm (1.7 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Ulaanbaatar in September

In September, expect moderate temperatures in Ulaanbaatar, with highs of 16°C (61°F) and lows of 2°C (36°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Ulaanbaatar in September

The days are predominantly sunny, with an estimated total of around 247 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

For Ulaanbaatar itself, June, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.