September in Ürümqi averages a daily high of 23.6°C with nights around 12.6°C. Expect roughly 4 wet days totalling 17.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Ürümqi is May.
Based on WU LU MU QI, CH (4km), 1995–2024. 23 years of September data.