In September, Norman typically sees daytime highs of 30.2°C and overnight lows around 16.6°C. Compared to the annual average high of 22.8°C, September runs +7.4°C.
September in Norman averages a daytime high of 30.2°C and an overnight low of 16.6°C.
September runs +7.4°C compared to Norman's annual average high of 22.8°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 30.2°C and cooler evenings around 16.6°C.