In September, Hirosaki typically sees daytime highs of 22.2°C and overnight lows around 14.1°C. Compared to the annual average high of 13.0°C, September runs +9.2°C.
September in Hirosaki averages a daytime high of 22.2°C and an overnight low of 14.1°C.
September runs +9.2°C compared to Hirosaki's annual average high of 13.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 22.2°C and cooler evenings around 14.1°C.