In September, Thanh Pho Ha Long typically sees daytime highs of 30.7°C and overnight lows around 24.9°C. Compared to the annual average high of 26.4°C, September runs +4.3°C.
September in Thanh Pho Ha Long averages a daytime high of 30.7°C and an overnight low of 24.9°C.
September runs +4.3°C compared to Thanh Pho Ha Long's annual average high of 26.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 30.7°C and cooler evenings around 24.9°C.