September in Botou averages a daily high of 27.2°C with nights around 16.8°C. Expect roughly 5.1 wet days totalling 52.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Botou is April–May.
Based on POTOU, CH (1.8km), 1995–2024. 22 years of September data.