In September, Yanji typically sees daytime highs of 21.2°C and overnight lows around 8.4°C. Compared to the annual average high of 11.1°C, September runs +10.2°C.
September in Yanji averages a daytime high of 21.2°C and an overnight low of 8.4°C.
September runs +10.2°C compared to Yanji's annual average high of 11.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 8.4°C.