When to go · Ulaanbaatar

Ulaanbaatar in September

Great month. Clear and cool; good month.

Key facts

Verdict: Great
Temperature: 16°C (61°F)61°F (16°C) / 3°C (37°F)37°F (3°C); average high / low
Rain days: 6
Crowds: Medium; Mongolia overall
Prices: Medium; Mongolia overall

Plan around it

Verdict

GreatVoykit month rating for Ulaanbaatar

Clear and cool; good month.

All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.

No other month rates higher than September for Ulaanbaatar in this guide.

Long-term averages

UlaanbaatarHighs around 16 °C (61 °F), lows around 3 °C (37 °F), rain on about 6 daysHighs around 61 °F (16 °C), lows around 37 °F (3 °C), rain on about 6 days
Ulaanbaatar and the centre, Mongolia · Ulaanbaatar, Terelj, Kharkhorin, Orkhon valleybest weather
Coldest capital in the world: January averages about −20 °C (−4 °F). Coal and ger-stove smoke make winter air among the worst anywhere Nov–Feb. Summer is 20–28 °C (68–82 °F) by day with afternoon showers in July–August.Coldest capital in the world: January averages about −4 °F (−20 °C). Coal and ger-stove smoke make winter air among the worst anywhere Nov–Feb. Summer is 68–82 °F (20–28 °C) by day with afternoon showers in July–August.

Autumn season

Clear, crisp days and gold larch; a good month in September.

Watch: First snow and freezing nights by October; camps closing.

Mongolia overall: Golden larches, clear skies, cold nights; the Gobi is at its most comfortable.

Weather, crowds and prices for any two months in Ulaanbaatar, side by side.

First month

Second month

September: Clear and cool; good month.

June: Warm, long days; camps open.

Ulaanbaatar: figures are long-term averages from this guide, not a forecast.