Southwest Florida International Airport Weather Forecast

    • 76
    • 90

    Thunderstorms Likely

    • 74
    • 89

    Thunderstorms

    • 75
    • 88

    Thunderstorms

    • 75
    • 90

    Thunderstorms

    • 74
    • 90

    Thunderstorms

    • 73
    • 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

Southwest Florida International Airport Temperature Statistics

September Temperature

Fort Myers, Southwest Florida International Airport (0.6 miles)

  • Lowest 4 September, 2025

    75 °F

  • Average September

    81.7 °F

  • Highest 2 September, 2025

    93 °F

Climate (2020–Present)

Fort Myers, Southwest Florida International Airport (0.6 miles)

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  • Average Low 2020–2025

    67.6 °F

  • Average 2020–2025

    76 °F

  • Average High 2020–2025

    85.5 °F
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