In September, Haiphong typically sees daytime highs of 31.5°C and overnight lows around 24.8°C. Compared to the annual average high of 27.6°C, September runs +3.9°C.
September in Haiphong averages a daytime high of 31.5°C and an overnight low of 24.8°C.
September runs +3.9°C compared to Haiphong's annual average high of 27.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 31.5°C and cooler evenings around 24.8°C.