September in Tongliao averages a daily high of 24.3°C with nights around 11°C. Expect roughly 4.9 wet days totalling 28.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tongliao is April–May.
Based on TONGLIAO, CH (1.4km), 1995–2024. 23 years of September data.