Superior Weather Forecast

    • 70
    • 85

    Decreasing Clouds

    • 70
    • 90

    Mostly Sunny

    • 68
    • 90

    Sunny

    • 70
    • 90

    Partly Sunny

    • 69
    • 89

    Partly Sunny

    • 69
    • 89

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

Today 17 Sep Superior

Partly cloudy. A slight chance of Showers in the Morning, then a chance of Showers and a slight chance of Thunderstorms in the afternoon. Highs 81 to 99. Chance of rain 30 percent.

Tonight 17 Sep Superior

Partly cloudy in the evening then becoming mostly clear. Lows 64 to 74. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Superior Temperature Statistics

September Temperature

Phoenix-Mesa Gateway Airport (31.7 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    90 °F

  • Highest 8 September, 2026

    104 °F

Climate (2021–2026)

Phoenix-Mesa Gateway Airport (31.7 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    86.1 °F
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