South Harpswell Weather Forecast

    • 46
    • 59

    Sunny

    • 50
    • 58

    Mostly Sunny

    • 57
    • 67

    Mostly Sunny

    • 59
    • 70

    Partly Sunny

    • 63
    • 70

    Chance Rain Showers

    • 60
    • 70

    Slight Chance Rain Showers

    • 55
    • 66

    Partly Sunny

Today 19 Sep Coastal Cumberland

Mostly clear. Lows in the lower 40s. Light and variable Winds.

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South Harpswell Temperature Statistics

September Temperature

Portland, Portland International Jetport (15.5 miles)

  • Lowest 14 September, 2019

    44.1 °F
  • Average September

    61.2 °F
  • Highest 11 September, 2019

    84 °F

Climate (2010–Present)

Portland, Portland International Jetport (15.5 miles)

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  • Average Low 2010–Present

    39.9 °F
  • Average 2010–Present

    48.4 °F
  • Average High 2010–Present

    56.6 °F
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