September in Suining averages a daily high of 28.2°C with nights around 20.5°C. Expect roughly 12.3 wet days totalling 126.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Suining is March–May.
Based on NANCHONG, CH (58.6km), 1995–2024. 23 years of September data.