In September, Hatsukaichi typically sees daytime highs of 28.1°C and overnight lows around 19.3°C. Compared to the annual average high of 20.3°C, September runs +7.8°C.
September in Hatsukaichi averages a daytime high of 28.1°C and an overnight low of 19.3°C.
September runs +7.8°C compared to Hatsukaichi's annual average high of 20.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 19.3°C.