In September, Evansville typically sees daytime highs of 27.8°C and overnight lows around 14.7°C. Compared to the annual average high of 19.4°C, September runs +8.4°C.
September in Evansville averages a daytime high of 27.8°C and an overnight low of 14.7°C.
September runs +8.4°C compared to Evansville's annual average high of 19.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.8°C and cooler evenings around 14.7°C.