In September, Goyang-si typically sees daytime highs of 24.9°C and overnight lows around 15.4°C. Compared to the annual average high of 16.1°C, September runs +8.8°C.
September in Goyang-si averages a daytime high of 24.9°C and an overnight low of 15.4°C.
September runs +8.8°C compared to Goyang-si's annual average high of 16.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.9°C and cooler evenings around 15.4°C.