Scottsdale Mountain Summit Weather Forecast

    • 84
    • 105

    Hot

    • 84
    • 104

    Hot

    • 84
    • 105

    Slight Chance Thunderstorms

    • 82
    • 103

    Chance Thunderstorms

    • 80
    • 101

    Slight Chance Thunderstorms

    • 78
    • 100

    Chance Rain Showers

Today 8 Sep Fountain Hills/East Mesa

Mostly sunny and hot. Highs 103 to 108. Southeast wind 5 to 10 Mph in the morning becoming southwest in the afternoon.

Tonight 8 Sep Fountain Hills/East Mesa

Partly cloudy. Lows 75 to 85. Southwest wind 5 to 10 Mph in the evening becoming southeast around 5 Mph after midnight.

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Scottsdale Mountain Summit Temperature Statistics

September Temperature

Scottsdale Airport (7.5 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    91.1 °F

  • Highest 2 September, 2026

    101.6 °F

Climate (2021–2026)

Scottsdale Airport (7.5 miles)

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  • Average Low 2021–2026

    63.7 °F

  • Average 2021–2026

    75.4 °F

  • Average High 2021–2026

    87 °F
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