In September, Lawton typically sees daytime highs of 30.8°C and overnight lows around 17.2°C. Compared to the annual average high of 23.5°C, September runs +7.3°C.
September in Lawton averages a daytime high of 30.8°C and an overnight low of 17.2°C.
September runs +7.3°C compared to Lawton's annual average high of 23.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 30.8°C and cooler evenings around 17.2°C.