September in Weinan averages a daily high of 25.7°C with nights around 16.7°C. Expect roughly 9.8 wet days totalling 81.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Weinan is April–May.
Based on XIAN, CH (57.5km), 1995–2024. 14 years of September data.