In September, Chongjin typically sees daytime highs of 21.3°C and overnight lows around 12.2°C. Compared to the annual average high of 11.5°C, September runs +9.8°C.
September in Chongjin averages a daytime high of 21.3°C and an overnight low of 12.2°C.
September runs +9.8°C compared to Chongjin's annual average high of 11.5°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.3°C and cooler evenings around 12.2°C.