Saint Simons Sound Weather Forecast

    • 73
    • 84

    Mostly Sunny

    • 74
    • 86

    Mostly Sunny

    • 75
    • 87

    Partly Sunny

    • 74
    • 88

    Chance Rain Showers

    • 74
    • 83

    Chance Thunderstorms

    • 73
    • 81

    Chance Thunderstorms

    • 72
    • 81

    Chance Thunderstorms

Today 4 Sep Coastal Glynn

Sunny. Highs in the mid 80s. East Winds 5 to 10 Mph.

Tonight 4 Sep Coastal Glynn

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Simons Sound Temperature Statistics

September Temperature

Brunswick, Malcolm McKinnon Airport (1.9 miles)

  • Lowest 2 September, 2025

    68 °F
  • Average September

    76.7 °F
  • Highest 2 September, 2025

    82.4 °F

Climate (2020–Present)

Brunswick, Malcolm McKinnon Airport (1.9 miles)

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  • Average Low 2020–2025

    63.2 °F
  • Average 2020–2025

    70.3 °F
  • Average High 2020–2025

    77.9 °F
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