September in Zhengzhou averages a daily high of 27.2°C with nights around 17.1°C. Expect roughly 7.9 wet days totalling 87.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Zhengzhou is April–May.
Based on ZHENGZHOU, CH (4.5km), 1995–2024. 22 years of September data.