In September, Kushiro typically sees daytime highs of 19.2°C and overnight lows around 12.8°C. Compared to the annual average high of 10.0°C, September runs +9.2°C.
September in Kushiro averages a daytime high of 19.2°C and an overnight low of 12.8°C.
September runs +9.2°C compared to Kushiro's annual average high of 10.0°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 19.2°C and cooler evenings around 12.8°C.