September in Chengde averages a daily high of 25.2°C with nights around 11°C. Expect roughly 7.3 wet days totalling 53.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Chengde is April–May.
Based on CHENGDE, CH (3.9km), 1995–2024. 23 years of September data.