Ulan Bator Weather in September
Ulan Bator in September
The short of it: Ulan Bator in September averages a high of 18 °C (64 °F) and a low of 2 °C (36 °F), with 27 mm (1.1 in) of rain and about 12 h 30 min of daylight. Rated 5 of 5 for a visit; the best months are June and May. Source: TerraClimate climate normals, 1991–2020.
Average high 18° · low 2° · rain 27 mm · daylight 12 h 30 min
✦✦✦✦✦ Recommended for a visit · best months: June & May
September in Ulan Bator brings afternoons near 18° and nights around 2°, with about 27 mm of rain over the month. The year turns hard here: highs drop 6° from August to about 18°, with nights near 2°. Rain is modest, about 27 mm, the 4th wettest month.
The sun is up for about 12 h 30 min in mid-September, 107 minutes less than a month before.
For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 5 of 5 for a visit; the finest months here are June and May.
Against its neighbours, Ulan Bator runs about middling and wetter than most in September. Dzuunmod, 23 km to the SSE, sees much the same highs.
September in Ulan Bator, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 4th wettest of 12
- Versus August
- 6° colder, 33 mm less rain
- Versus October
- 10° warmer
- Day–night spread
- 16°
- Snow season
- Nov–Mar
- Daylight, mid-month
- 12 h 30 min
- Average wind
- 10 km/h
Neighbouring Towns
September averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| DzuunmodCentral Aimak | 23 km SSE | 17° | 1° | 23 mm |
| ZuunmodCentral Aimak | 23 km SSE | 17° | 1° | 23 mm |
| NalayhUlaanbaatar | 34 km ESE | 18° | 1° | 24 mm |
| ArgalantCentral Aimak | 74 km W | 18° | 2° | 24 mm |
| DzüünharaaSelenge Province | 110 km NNW | 20° | 3° | 28 mm |
| SharïngolSelenge Province | 152 km NNW | 18° | 2° | 29 mm |
| HongorDarhan Uul | 164 km NNW | 18° | 3° | 29 mm |
| DarhanDarhan Uul | 189 km NNW | 18° | 3° | 29 mm |