Simpsonville Weather Forecast

    • 51
    • 73

    Mostly Cloudy

    • 53
    • 78

    Mostly Sunny

    • 35
    • 71

    Mostly Sunny

    • 41
    • 69

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 54
    • 77

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 17 Sep Delaware

Mostly cloudy with a 20 percent chance of Showers. Highs in the lower 70s. Southeast Winds around 5 Mph.

Tonight 17 Sep Delaware

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

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Simpsonville Temperature Statistics

September Temperature

Schenectady Airport (49.1 miles)

  • Lowest 8 September, 2025

    51.8 °F

  • Average September

    69.6 °F

  • Highest 3 September, 2025

    84.2 °F

Climate (2020–Present)

Schenectady Airport (49.1 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    59.7 °F
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