Simpsonville Weather Forecast

    • 50
    • 77

    Rain Showers Likely

    • 42
    • 64

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 59
    • 77

    Mostly Cloudy

    • 58
    • 78

    Chance Rain Showers

    • 48
    • 73

    Chance Rain Showers

Today 13 Sep Delaware

Mostly cloudy with Showers with a slight chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Highs in the upper 70s. South Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 90 percent.

Tonight 13 Sep Delaware

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers. Lows in the lower 50s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Simpsonville Temperature Statistics

September Temperature

Schenectady Airport (49.1 miles)

  • Lowest 7 September, 2026

    55.4 °F

  • Average September

    71.2 °F

  • Highest 3 September, 2026

    82.4 °F

Climate (2021–2026)

Schenectady Airport (49.1 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    59.6 °F
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