In September, Glendale typically sees daytime highs of 37.0°C and overnight lows around 21.3°C. Compared to the annual average high of 29.4°C, September runs +7.6°C.
September in Glendale averages a daytime high of 37.0°C and an overnight low of 21.3°C.
September runs +7.6°C compared to Glendale's annual average high of 29.4°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 37.0°C and cooler evenings around 21.3°C.