Grand Canyon National Park Weather Forecast

    • 67
    • 95

    Chance Thunderstorms

    • 67
    • 93

    Mostly Sunny

    • 67
    • 92

    Slight Chance Thunderstorms

    • 66
    • 90

    Slight Chance Thunderstorms

    • 65
    • 90

    Slight Chance Thunderstorms

    • 64
    • 90

    Slight Chance Thunderstorms

    • 65
    • 90

    Slight Chance Thunderstorms

Today 11 Sep Northwest Plateau

Sunny with a 20 percent chance of Thunderstorms. Highs 90 to 93. Southwest Winds 10 to 20 Mph.

Tonight 11 Sep Northwest Plateau

Mostly clear. Lows 66 to 69. South Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Grand Canyon National Park Temperature Statistics

September Temperature

Grand Canyon National Park Airport (40.4 miles)

  • Lowest 3 September, 2026

    41.6 °F

  • Average September

    64 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Grand Canyon National Park Airport (40.4 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    65.8 °F
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