St Andrews Weather Forecast

    • 70
    • 84

    Increasing Clouds

    • 70
    • 86

    Mostly Sunny

    • 69
    • 86

    Mostly Sunny

    • 70
    • 84

    Partly Sunny

    • 70
    • 82

    Chance Rain Showers

    • 70
    • 82

    Slight Chance Thunderstorms

Today 17 Sep Charleston

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming southwest this afternoon.

Tonight 17 Sep Charleston

Partly cloudy. Lows around 70. Southwest Winds 5 to 10 Mph.

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St Andrews Temperature Statistics

September Temperature

Charleston Executive Airport (5.6 miles)

  • Lowest 1 September, 2025

    64.4 °F

  • Average September

    74.4 °F

  • Highest 7 September, 2025

    89.6 °F

Climate (2020–Present)

Charleston Executive Airport (5.6 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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