In September, Hamhung typically sees daytime highs of 23.2°C and overnight lows around 13.4°C. Compared to the annual average high of 14.7°C, September runs +8.5°C.
September in Hamhung averages a daytime high of 23.2°C and an overnight low of 13.4°C.
September runs +8.5°C compared to Hamhung's annual average high of 14.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 23.2°C and cooler evenings around 13.4°C.