In September, Las Cruces typically sees daytime highs of 30.6°C and overnight lows around 13.7°C. Compared to the annual average high of 24.6°C, September runs +5.9°C.
September in Las Cruces averages a daytime high of 30.6°C and an overnight low of 13.7°C.
September runs +5.9°C compared to Las Cruces's annual average high of 24.6°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 30.6°C and cooler evenings around 13.7°C.