Kiawah and Seabrook Islands Weather Forecast

    • 65
    • 82

    Decreasing Clouds

    • 63
    • 82

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 68
    • 83

    Partly Sunny

    • 69
    • 83

    Partly Sunny

    • 70
    • 84

    Partly Sunny

    • 70
    • 83

    Slight Chance Thunderstorms

Today 14 Sep Charleston

Mostly sunny. Highs in the lower 80s. Northeast Winds 10 to 15 Mph.

Tonight 14 Sep Charleston

Partly cloudy. Lows in the mid 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kiawah and Seabrook Islands Temperature Statistics

September Temperature

Charleston Executive Airport (9.9 miles)

  • Lowest 1 September, 2025

    64.4 °F

  • Average September

    74.7 °F

  • Highest 7 September, 2025

    89.6 °F

Climate (2020–Present)

Charleston Executive Airport (9.9 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    76.1 °F
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