September in Acheng averages a daily high of 22.1°C with nights around 10.2°C. Expect roughly 7.4 wet days totalling 48.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Acheng is August–September.
Based on HARBIN, CH (26.9km), 1995–2024. 23 years of September data.