In September, Kokubu-matsuki typically sees daytime highs of 28.6°C and overnight lows around 19.7°C. Compared to the annual average high of 21.3°C, September runs +7.3°C.
September in Kokubu-matsuki averages a daytime high of 28.6°C and an overnight low of 19.7°C.
September runs +7.3°C compared to Kokubu-matsuki's annual average high of 21.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 28.6°C and cooler evenings around 19.7°C.