Chattahoochee Weather Forecast

    • 62
    • 85

    Mostly Sunny

    • 63
    • 86

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 66
    • 90

    Partly Sunny

    • 64
    • 88

    Slight Chance Thunderstorms

Today 15 Sep Coweta

Sunny. Highs in the mid 80s. Light east Winds.

Tonight 15 Sep Coweta

Mostly clear. Lows in the lower 60s. Light east Winds.

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Chattahoochee Temperature Statistics

September Temperature

Newnan, Newnan Coweta County Airport (14.3 miles)

  • Lowest 10 September, 2025

    58.3 °F

  • Average September

    72.1 °F

  • Highest 5 September, 2025

    89.4 °F

Climate (2020–Present)

Newnan, Newnan Coweta County Airport (14.3 miles)

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  • Average Low 2020–2025

    54.9 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    74.4 °F
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