Ürümqi weather in September
September in Ürümqi: nice, a little rain, with poor air quality — one of the best months to visit.
#2 of 12 months in Ürümqi · #105 of 604 destinations to visit in September · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Ürümqi climate normals — September
| Daytime high | 23°C / 74°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Feels like (high) | 21°C / 70°F | |
| Rainfall | 34 mm / 1.3 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 46% | 🍃 comfortable |
| Dew point | 4°C / 39°F | |
| Sunshine | 10 h/day | |
| Daylight | 12.5 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.3 cm / 0.1 in | |
| Air quality (US AQI) | 128 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Ürümqi?
Loading map…
Ürümqi in September — FAQ
- Is September a good time to visit Ürümqi?
- September in Ürümqi: nice, a little rain, with poor air quality — one of the best months to visit. It ranks #2 of 12 months for Ürümqi on SeasonMap's comfort score (89/100).
- What is the weather like in Ürümqi in September?
- In September, Ürümqi averages a daily high of 23.2°C and a low of 11.2°C, with about 34.1 mm of rain over roughly 7.2 rainy days.
- What is the air quality in Ürümqi in September?
- Ürümqi has a mean US Air Quality Index of about 128 in September.