In September, Long Xuyen typically sees daytime highs of 30.4°C and overnight lows around 24.9°C. Compared to the annual average high of 31.0°C, September runs -0.6°C.
September in Long Xuyen averages a daytime high of 30.4°C and an overnight low of 24.9°C.
September runs -0.6°C compared to Long Xuyen's annual average high of 31.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 24.9°C.