In September, Lee's Summit typically sees daytime highs of 26.8°C and overnight lows around 14.2°C. Compared to the annual average high of 18.5°C, September runs +8.3°C.
September in Lee's Summit averages a daytime high of 26.8°C and an overnight low of 14.2°C.
September runs +8.3°C compared to Lee's Summit's annual average high of 18.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.8°C and cooler evenings around 14.2°C.