South Beach (St Catherines Island) Weather Forecast

    • 67
    • 82

    Becoming Sunny

    • 69
    • 83

    Mostly Sunny

    • 72
    • 84

    Partly Sunny

    • 72
    • 84

    Partly Sunny

    • 73
    • 84

    Mostly Sunny

    • 73
    • 83

    Partly Sunny

Today 15 Sep Coastal Liberty

Sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Coastal Liberty

Partly cloudy. Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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South Beach (St Catherines Island) Temperature Statistics

September Temperature

Hunter U. S. Army Airfield (29.2 miles)

  • Lowest 10 September, 2025

    64.9 °F

  • Average September

    75.7 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Hunter U. S. Army Airfield (29.2 miles)

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  • Average Low 2020–2025

    59.4 °F

  • Average 2020–2025

    68.1 °F

  • Average High 2020–2025

    77.9 °F
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