Palm Springs Weather September 2025. Annual weather in palm springs features high temperatures ranging from 59.5°f (15.3°c) to a sweltering 93.4°f (34.1°c), and lows between 43°f (6.1°c) and 72.1°f (22.3°c). September weather in palm springs california, united states.

Check accurate weather in september in palm springs (ca). Humidity the average relative humidity in september is 32%.