Sebago Lake State Park Weather Forecast

    • 62
    • 75

    Decreasing Clouds

    • 55
    • 82

    Rain Showers

    • 48
    • 68

    Chance Rain Showers

    • 44
    • 71

    Mostly Sunny

    • 44
    • 71

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

Today 5 Sep Central Interior Cumberland

Partly sunny. Highs in the mid 70s. South Winds 10 to 15 Mph.

Tonight 5 Sep Central Interior Cumberland

Mostly clear. Patchy fog. Lows in the lower 60s. South Winds 10 to 15 Mph.

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Sebago Lake State Park Temperature Statistics

September Temperature

Auburn-Lewiston (16.8 miles)

  • Lowest 3 September, 2025

    46.9 °F

  • Average September

    63.3 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

Auburn-Lewiston (16.8 miles)

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  • Average Low 2020–2025

    37.9 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.1 °F
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