September in Changli averages a daily high of 26.3°C with nights around 16.2°C. Expect roughly 5.7 wet days totalling 56.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Changli is April–May.
Based on LETING, CH (37.7km), 1995–2024. 23 years of September data.