September in Xunchang averages a daily high of 28°C with nights around 20.8°C. Expect roughly 14.9 wet days totalling 133.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Xunchang is March–May.
Based on YIBIN, CH (40km), 1995–2024. 23 years of September data.