September in Yigou averages a daily high of 27.2°C with nights around 16.7°C. Expect roughly 7.1 wet days totalling 76.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Yigou is April–May.
Based on ANYANG, CH (27.6km), 1995–2024. 29 years of September data.