Lilburn Weather Forecast

    • 75
    • 99

    Chance Rain Showers

    • 72
    • 97

    Slight Chance Thunderstorms

    • 69
    • 86

    Chance Rain Showers

    • 69
    • 90

    Mostly Sunny

    • 70
    • 92

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

Today 5 Sep Gwinnett

Sunny. Highs in the upper 90s. Light northwest Winds. Heat index Values up to 105.

Tonight 5 Sep Gwinnett

Mostly clear. Patchy fog after midnight. Lows in the mid 70s. Light west Winds.

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  • Temperature Real-Time

Lilburn Temperature Statistics

September Temperature

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

  • Lowest 1 September, 2026

    70.6 °F

  • Average September

    84.2 °F

  • Highest 2 September, 2026

    98.7 °F

Climate (2021–2026)

Atlanta, De Kalb-Peachtree Airport (8.7 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.1 °F
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