South Brunswick Township Weather Forecast

    • 52
    • 67

    Mostly Cloudy

    • 54
    • 69

    Chance Rain Showers

    • 52
    • 66

    Rain Showers Likely

    • 54
    • 64

    Rain Showers Likely

    • 53
    • 68

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

Today 24 Sep Middlesex

Partly sunny. Highs in the upper 60s. Northeast Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 24 Sep Middlesex

Mostly cloudy. Lows in the lower 50s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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South Brunswick Township Temperature Statistics

September Temperature

Trenton, Mercer County Airport (16.2 miles)

  • Lowest 15 September, 2026

    51.7 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (16.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
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