Sumpter Weather Forecast

    • 58
    • 72

    Decreasing Clouds

    • 55
    • 84

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 62
    • 89

    Sunny

    • 64
    • 91

    Mostly Sunny

    • 64
    • 93

    Sunny

    • 64
    • 93

    Mostly Sunny

Today 6 Sep Bradley

Mostly cloudy with a slight chance of Showers and Thunderstorms. Much cooler with Highs in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 20 percent. Average rainfall less than 1/10 inch.

Tonight 6 Sep Bradley

Partly cloudy this Evening, then clearing. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Sumpter Temperature Statistics

September Temperature

Monticello, Monticello Municipal Airport/Ellis Field (19.9 miles)

  • Lowest 1 September, 2025

    70 °F

  • Average September

    79.8 °F

  • Highest 4 September, 2025

    93.9 °F

Climate (2020–Present)

Monticello, Monticello Municipal Airport/Ellis Field (19.9 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    65.5 °F

  • Average High 2020–2025

    75.9 °F
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