St. Simons Sound Bar Weather Forecast

    • 80
    • 85

    Rain Showers Likely

    • 79
    • 86

    Chance Thunderstorms

    • 78
    • 86

    Rain Showers Likely

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Chance Thunderstorms

Today 9 Sep Coastal Glynn

Showers likely. A chance of Thunderstorms this afternoon. Highs in the upper 80s. East Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 9 Sep Coastal Glynn

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St. Simons Sound Bar Temperature Statistics

September Temperature

Brunswick, Malcolm McKinnon Airport (5.6 miles)

  • Lowest 1 September, 2026

    77 °F

  • Average September

    83.2 °F

  • Highest 5 September, 2026

    93.2 °F

Climate (2021–2026)

Brunswick, Malcolm McKinnon Airport (5.6 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    70.3 °F

  • Average High 2021–2026

    78.2 °F
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