In September, Longjiang typically sees daytime highs of 19.9°C and overnight lows around 7.1°C. Compared to the annual average high of 9.1°C, September runs +10.8°C.
September in Longjiang averages a daytime high of 19.9°C and an overnight low of 7.1°C.
September runs +10.8°C compared to Longjiang's annual average high of 9.1°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.9°C and cooler evenings around 7.1°C.