South Beach (Jekyll Island) Weather Forecast

    • 76
    • 87

    Mostly Sunny

    • 77
    • 84

    Partly Sunny

    • 77
    • 84

    Chance Thunderstorms

    • 76
    • 84

    Rain Showers Likely

    • 74
    • 83

    Rain Showers Likely

    • 72
    • 81

    Rain Showers

    • 69
    • 77

    Rain Showers Likely

Today 30 Sep Coastal Glynn

Mostly cloudy. A chance of Showers in the Morning, then Showers likely with a slight chance of Thunderstorms in the afternoon. Windy with Highs in the upper 70s. Chance of rain 60 percent.

Tonight 30 Sep Coastal Glynn

Mostly clear. Lows in the lower 70s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Beach (Jekyll Island) Temperature Statistics

September Temperature

Brunswick, Malcolm McKinnon Airport (9.3 miles)

  • Lowest 26 September, 2026

    59 °F

  • Average September

    80.3 °F

  • Highest 5 September, 2026

    93.2 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (9.3 miles)

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  • Average Low 2021–2026

    63.1 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    78.2 °F
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