In September, Owensboro typically sees daytime highs of 27.9°C and overnight lows around 14.5°C. Compared to the annual average high of 19.6°C, September runs +8.2°C.
September in Owensboro averages a daytime high of 27.9°C and an overnight low of 14.5°C.
September runs +8.2°C compared to Owensboro's annual average high of 19.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 27.9°C and cooler evenings around 14.5°C.