American Beach Weather Forecast

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    • 81

    Chance Thunderstorms

    • 73
    • 81

    Chance Thunderstorms

    • 74
    • 81

    Chance Thunderstorms

    • 74
    • 81

    Slight Chance Thunderstorms

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    • 82

    Slight Chance Thunderstorms

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    • 83

    Slight Chance Thunderstorms

Today 13 Sep Coastal Nassau

Sunny with a chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the lower 80s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 30 percent.

Tonight 13 Sep Coastal Nassau

Mostly clear. Lows in the lower 70s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

American Beach Temperature Statistics

September Temperature

Fernandina Beach Municipal Airport (2.5 miles)

  • Lowest 4 September, 2025

    69.8 °F

  • Average September

    78.1 °F

  • Highest 6 September, 2025

    87.8 °F

Climate (2020–Present)

Fernandina Beach Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    62.3 °F

  • Average 2020–2025

    69.6 °F

  • Average High 2020–2025

    77.7 °F
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