In September, Ji'an typically sees daytime highs of 30.4°C and overnight lows around 21.7°C. Compared to the annual average high of 23.0°C, September runs +7.5°C.
September in Ji'an averages a daytime high of 30.4°C and an overnight low of 21.7°C.
September runs +7.5°C compared to Ji'an's annual average high of 23.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 21.7°C.