Harlem Weather Forecast

    • 63
    • 89

    Sunny

    • 67
    • 91

    Sunny

    • 69
    • 95

    Mostly Sunny

    • 70
    • 91

    Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

    • 69
    • 90

    Chance Rain Showers

Today 16 Sep Columbia

Sunny. Near steady temperature in the upper 80s. Northeast Winds around 5 Mph.

Tonight 16 Sep Columbia

Mostly clear. Lows in the mid 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Harlem Temperature Statistics

September Temperature

Thomson, Thomson-McDuffie County Airport (13.7 miles)

  • Lowest 9 September, 2026

    64.4 °F

  • Average September

    81.3 °F

  • Highest 5 September, 2026

    100.4 °F

Climate (2021–2026)

Thomson, Thomson-McDuffie County Airport (13.7 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    75.8 °F
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