American Beach Weather Forecast

    • 80
    • 87

    Mostly Sunny

    • 79
    • 86

    Rain Showers Likely

    • 78
    • 84

    Breezy

    • 77
    • 83

    Rain Showers Likely

    • 77
    • 84

    Chance Thunderstorms

    • 76
    • 85

    Chance Thunderstorms

Today 14 Sep Coastal Nassau

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Northwest Winds around 5 Mph, becoming east this afternoon. Chance of rain 20 percent.

Tonight 14 Sep Coastal Nassau

Mostly clear. Lows in the upper 70s. East Winds around 5 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 12 September, 2026

    71.6 °F

  • Average September

    81.2 °F

  • Highest 5 September, 2026

    89.6 °F

Climate (2021–2026)

Fernandina Beach Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    78.3 °F
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