Alum Creek State Park Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 68
    • 89

    Mostly Cloudy

    • 57
    • 80

    Chance Rain Showers

    • 56
    • 79

    Mostly Sunny

Today 6 Sep Delaware

Sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Delaware

Mostly clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Alum Creek State Park Temperature Statistics

September Temperature

Delaware Municipal Airport (7.5 miles)

  • Lowest 2 September, 2026

    71.6 °F

  • Average September

    81.3 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Delaware Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.9 °F
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