September in Nanchang averages a daily high of 30.1°C with nights around 22.8°C. Expect roughly 5.1 wet days totalling 56.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Nanchang is October–November.
Based on NANCHANG, CH (11.2km), 1995–2024. 23 years of September data.