In September, Yishui typically sees daytime highs of 25.6°C and overnight lows around 14.3°C. Compared to the annual average high of 17.8°C, September runs +7.8°C.
September in Yishui averages a daytime high of 25.6°C and an overnight low of 14.3°C.
September runs +7.8°C compared to Yishui's annual average high of 17.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 25.6°C and cooler evenings around 14.3°C.