South Lyon Weather Forecast

    • 56
    • 77

    Becoming Sunny

    • 56
    • 82

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

    • 58
    • 86

    Partly Sunny

Today 13 Sep Oakland

Mostly cloudy until late Afternoon, then becoming partly cloudy. A slight chance of Showers in the morning. Highs in the upper 70s. Southwest Winds up to 5 Mph. Chance of rain 20 percent.

Tonight 13 Sep Oakland

Mostly clear. Lows in the upper 50s. Southeast Winds up to 5 Mph.

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South Lyon Temperature Statistics

September Temperature

Detroit, Willow Run Airport (16.8 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    60.4 °F

  • Highest 3 September, 2025

    82 °F

Climate (2020–Present)

Detroit, Willow Run Airport (16.8 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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