Southwest Florida International Airport Weather Forecast

    • 68
    • 87

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 71
    • 89

    Thunderstorms

    • 72
    • 89

    Rain Showers

    • 73
    • 90

    Rain Showers

    • 74
    • 91

    Rain Showers

    • 75
    • 91

    Rain Showers

Today 26 Sep Coastal Lee

Mostly sunny. Numerous Showers and scattered Thunderstorms in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index Values up to 105.

Tonight 26 Sep Coastal Lee

Clear. Lows in the upper 60s. Northwest Winds 10 to 15 Mph, becoming northeast 5 to 10 Mph after midnight.

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Southwest Florida International Airport Temperature Statistics

September Temperature

Fort Myers, Southwest Florida International Airport (0.6 miles)

  • Lowest 21 September, 2026

    72.6 °F

  • Average September

    83.5 °F

  • Highest 2 September, 2026

    94.6 °F

Climate (2021–2026)

Fort Myers, Southwest Florida International Airport (0.6 miles)

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  • Average Low 2021–2026

    67.7 °F

  • Average 2021–2026

    76.5 °F

  • Average High 2021–2026

    86.1 °F
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