Ann Arbor Weather Forecast

    • 40
    • 69

    Becoming Sunny

    • 46
    • 71

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 55
    • 83

    Partly Sunny

Today 7 Sep Washtenaw

Partly cloudy. Highs in the upper 60s. West Winds 5 to 10 Mph.

Tonight 7 Sep Washtenaw

Clear. Lows in the upper 30s. Northwest Winds up to 5 Mph.

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Ann Arbor Temperature Statistics

September Temperature

Ann Arbor, Ann Arbor Municipal Airport (3.7 miles)

  • Lowest 5 September, 2025

    39 °F

  • Average September

    60.4 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Ann Arbor, Ann Arbor Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    60.1 °F
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