Cooper River - Hagan Island Weather Forecast

    • 69
    • 88

    Mostly Sunny

    • 67
    • 88

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

    • 70
    • 85

    Chance Rain Showers

    • 70
    • 85

    Chance Thunderstorms

    • 70
    • 85

    Chance Thunderstorms

Today 18 Sep Tidal Berkeley

Sunny. Highs in the upper 80s. Southwest Winds around 5 Mph.

Tonight 18 Sep Tidal Berkeley

Mostly clear. Lows in the upper 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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Cooper River - Hagan Island Temperature Statistics

September Temperature

Moncks Corner Berkeley County (11.2 miles)

  • Lowest 1 September, 2025

    60.8 °F

  • Average September

    72.6 °F

  • Highest 6 September, 2025

    91.4 °F

Climate (2020–Present)

Moncks Corner Berkeley County (11.2 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    64.5 °F

  • Average High 2020–2025

    75.1 °F
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