In September, Xichang typically sees daytime highs of 20.9°C and overnight lows around 13.5°C. Compared to the annual average high of 18.7°C, September runs +2.2°C.
September in Xichang averages a daytime high of 20.9°C and an overnight low of 13.5°C.
September runs +2.2°C compared to Xichang's annual average high of 18.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 20.9°C and cooler evenings around 13.5°C.