Sanibel Island Weather Forecast

    • 80
    • 89

    Thunderstorms

    • 77
    • 89

    Thunderstorms

    • 79
    • 88

    Thunderstorms

    • 78
    • 89

    Thunderstorms

    • 77
    • 90

    Thunderstorms

    • 76
    • 89

    Thunderstorms

Today 7 Sep Coastal Lee

Showers and Thunderstorms likely. Near steady temperature in the mid 80s. Southwest Winds around 10 Mph. Chance of rain 70 percent.

Tonight 7 Sep Coastal Lee

Partly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sanibel Island Temperature Statistics

September Temperature

Fort Myers, Page Field (18 miles)

  • Lowest 2 September, 2025

    75 °F

  • Average September

    81.7 °F

  • Highest 2 September, 2025

    91.9 °F

Climate (2020–Present)

Fort Myers, Page Field (18 miles)

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  • Average Low 2020–2025

    68.5 °F

  • Average 2020–2025

    76.9 °F

  • Average High 2020–2025

    86.1 °F
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