Folly Beach Weather Forecast

    • 76
    • 84

    Increasing Clouds

    • 72
    • 84

    Chance Thunderstorms

    • 71
    • 80

    Chance Thunderstorms

    • 73
    • 78

    Chance Thunderstorms

    • 72
    • 79

    Chance Thunderstorms

    • 72
    • 80

    Slight Chance Thunderstorms

Today 6 Sep Charleston

Sunny. Highs in the lower 90s, except in the upper 80s near the coast. North Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 6 Sep Charleston

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 70s. Southeast Winds around 5 Mph, becoming southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Folly Beach Temperature Statistics

September Temperature

Charleston Executive Airport (4.3 miles)

  • Lowest 1 September, 2025

    64.4 °F

  • Average September

    73.9 °F

  • Highest 2 September, 2025

    84.2 °F

Climate (2020–Present)

Charleston Executive Airport (4.3 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    76.1 °F
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