Newnan Weather Forecast

    • 65
    • 90

    Becoming Sunny

    • 68
    • 91

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

    • 69
    • 92

    Slight Chance Thunderstorms

    • 69
    • 91

    Slight Chance Thunderstorms

    • 69
    • 90

    Chance Rain Showers

Today 16 Sep Coweta

Sunny. Highs around 90. East Winds 5 to 10 Mph.

Tonight 16 Sep Coweta

Clear. Lows in the mid 60s. Light east Winds in the Evening, becoming light and variable.

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Newnan Temperature Statistics

September Temperature

Newnan, Newnan Coweta County Airport (5 miles)

  • Lowest 9 September, 2026

    67.6 °F

  • Average September

    80.5 °F

  • Highest 6 September, 2026

    96.8 °F

Climate (2021–2026)

Newnan, Newnan Coweta County Airport (5 miles)

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  • Average Low 2021–2026

    54.7 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    74.5 °F
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