In September, Murrieta typically sees daytime highs of 32.6°C and overnight lows around 14.4°C. Compared to the annual average high of 25.9°C, September runs +6.7°C.
September in Murrieta averages a daytime high of 32.6°C and an overnight low of 14.4°C.
September runs +6.7°C compared to Murrieta's annual average high of 25.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 32.6°C and cooler evenings around 14.4°C.