In September, Mertoyudan typically sees daytime highs of 30.3°C and overnight lows around 20.9°C. Compared to the annual average high of 30.5°C, September runs -0.2°C.
September in Mertoyudan averages a daytime high of 30.3°C and an overnight low of 20.9°C.
September runs -0.2°C compared to Mertoyudan's annual average high of 30.5°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 30.3°C and cooler evenings around 20.9°C.