In September, Heyuan typically sees daytime highs of 31.2°C and overnight lows around 23.0°C. Compared to the annual average high of 25.8°C, September runs +5.4°C.
September in Heyuan averages a daytime high of 31.2°C and an overnight low of 23.0°C.
September runs +5.4°C compared to Heyuan's annual average high of 25.8°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.2°C and cooler evenings around 23.0°C.