In September, Sunyani typically sees daytime highs of 28.7°C and overnight lows around 21.1°C. Compared to the annual average high of 30.7°C, September runs -2.0°C.
September in Sunyani averages a daytime high of 28.7°C and an overnight low of 21.1°C.
September runs -2.0°C compared to Sunyani's annual average high of 30.7°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 28.7°C and cooler evenings around 21.1°C.