In September, Suzhou typically sees daytime highs of 26.7°C and overnight lows around 20.2°C. Compared to the annual average high of 19.2°C, September runs +7.5°C.
September in Suzhou averages a daytime high of 26.7°C and an overnight low of 20.2°C.
September runs +7.5°C compared to Suzhou's annual average high of 19.2°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 20.2°C.