In September, Terre Haute typically sees daytime highs of 26.7°C and overnight lows around 13.2°C. Compared to the annual average high of 17.7°C, September runs +9.0°C.
September in Terre Haute averages a daytime high of 26.7°C and an overnight low of 13.2°C.
September runs +9.0°C compared to Terre Haute's annual average high of 17.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 13.2°C.