In September, Xishan typically sees daytime highs of 29.2°C and overnight lows around 20.4°C. Compared to the annual average high of 21.7°C, September runs +7.5°C.
September in Xishan averages a daytime high of 29.2°C and an overnight low of 20.4°C.
September runs +7.5°C compared to Xishan's annual average high of 21.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 29.2°C and cooler evenings around 20.4°C.