In September, Scottsdale typically sees daytime highs of 36.1°C and overnight lows around 21.5°C. Compared to the annual average high of 28.5°C, September runs +7.5°C.
September in Scottsdale averages a daytime high of 36.1°C and an overnight low of 21.5°C.
September runs +7.5°C compared to Scottsdale's annual average high of 28.5°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 36.1°C and cooler evenings around 21.5°C.