September in Shanwei averages a daily high of 31.4°C with nights around 24.9°C. Expect roughly 10 wet days totalling 206.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Shanwei is November–February.
Based on SHANWEI, CH (2km), 1995–2024. 23 years of September data.