Scottsdale Mountain Summit Weather Forecast

    • 78
    • 98

    Hot

    • 79
    • 100

    Hot

    • 78
    • 101

    Hot

    • 73
    • 99

    Slight Chance Thunderstorms

    • 71
    • 95

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

Today 7 Sep Fountain Hills/East Mesa

Sunny and warmer. Highs 96 to 101. South wind around 5 Mph in the morning becoming west 5 to 10 Mph in the afternoon.

Tonight 7 Sep Fountain Hills/East Mesa

Clear. Lows 69 to 79. Light wind.

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Scottsdale Mountain Summit Temperature Statistics

September Temperature

Scottsdale Airport (7.5 miles)

  • Lowest 4 September, 2025

    73.9 °F

  • Average September

    89.9 °F

  • Highest 2 September, 2025

    106 °F

Climate (2020–Present)

Scottsdale Airport (7.5 miles)

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  • Average Low 2020–2025

    63 °F

  • Average 2020–2025

    74.8 °F

  • Average High 2020–2025

    86.4 °F
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