WEATHER STORY
Phoenix
Weather Forecast Office
Increasing Moisture Late Week Warming Temperatures 2025 Monsoon Season Rainfall September 2025 Climate Summary
All three climate sites finished the month with above normal rainfall and above normal average low temperatures. Phoenix finished with a near average high temperature while Yuma and El Centro finished with below normal average high temperatures. Phoenix and El Centro finished with slightly above normal mean temperatures while Yuma finished with a below normal mean temperature.

Data Courtesy of Phoenix Weather Forecast Office