In September, Gainesville typically sees daytime highs of 31.5°C and overnight lows around 20.7°C. Compared to the annual average high of 27.1°C, September runs +4.4°C.
September in Gainesville averages a daytime high of 31.5°C and an overnight low of 20.7°C.
September runs +4.4°C compared to Gainesville's annual average high of 27.1°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 31.5°C and cooler evenings around 20.7°C.