September in Beichengqu averages a daily high of 22.7°C with nights around 9.2°C. Expect roughly 8.6 wet days totalling 59.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Beichengqu is April–May.
Based on DATONG, CH (40.7km), 1995–2024. 29 years of September data.