Charleston Weather Forecast

    • 50
    • 81

    Increasing Clouds

    • 51
    • 79

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 61
    • 76

    Chance Rain Showers

    • 51
    • 79

    Rain Likely

    • 46
    • 72

    Slight Chance Rain Showers

Today 2 Sep Southern Penobscot

Partly sunny. Highs around 80. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 2 Sep Southern Penobscot

Clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. South Winds around 5 Mph.

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Charleston Temperature Statistics

September Temperature

Bangor, Bangor International Airport (22.4 miles)

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  • Average September

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Climate (2020–Present)

Bangor, Bangor International Airport (22.4 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57 °F
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