In September, Hammond typically sees daytime highs of 24.2°C and overnight lows around 12.8°C. Compared to the annual average high of 14.9°C, September runs +9.2°C.
September in Hammond averages a daytime high of 24.2°C and an overnight low of 12.8°C.
September runs +9.2°C compared to Hammond's annual average high of 14.9°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 24.2°C and cooler evenings around 12.8°C.