In September, Hitachi-Naka typically sees daytime highs of 24.7°C and overnight lows around 18.3°C. Compared to the annual average high of 17.7°C, September runs +7.0°C.
September in Hitachi-Naka averages a daytime high of 24.7°C and an overnight low of 18.3°C.
September runs +7.0°C compared to Hitachi-Naka's annual average high of 17.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 24.7°C and cooler evenings around 18.3°C.