In September, Isahaya typically sees daytime highs of 27.0°C and overnight lows around 19.6°C. Compared to the annual average high of 19.3°C, September runs +7.8°C.
September in Isahaya averages a daytime high of 27.0°C and an overnight low of 19.6°C.
September runs +7.8°C compared to Isahaya's annual average high of 19.3°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 27.0°C and cooler evenings around 19.6°C.