In September, Asahikawa typically sees daytime highs of 20.7°C and overnight lows around 10.6°C. Compared to the annual average high of 10.6°C, September runs +10.1°C.
September in Asahikawa averages a daytime high of 20.7°C and an overnight low of 10.6°C.
September runs +10.1°C compared to Asahikawa's annual average high of 10.6°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 20.7°C and cooler evenings around 10.6°C.