In September, Palm Desert typically sees daytime highs of 34.0°C and overnight lows around 16.4°C. Compared to the annual average high of 26.5°C, September runs +7.5°C.
September in Palm Desert averages a daytime high of 34.0°C and an overnight low of 16.4°C.
September runs +7.5°C compared to Palm Desert's annual average high of 26.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 34.0°C and cooler evenings around 16.4°C.