In September, Kingsport typically sees daytime highs of 26.7°C and overnight lows around 13.2°C. Compared to the annual average high of 19.5°C, September runs +7.2°C.
September in Kingsport averages a daytime high of 26.7°C and an overnight low of 13.2°C.
September runs +7.2°C compared to Kingsport's annual average high of 19.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 13.2°C.