In September, Fresno typically sees daytime highs of 32.7°C and overnight lows around 14.6°C. Compared to the annual average high of 25.0°C, September runs +7.7°C.
September in Fresno averages a daytime high of 32.7°C and an overnight low of 14.6°C.
September runs +7.7°C compared to Fresno's annual average high of 25.0°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 32.7°C and cooler evenings around 14.6°C.