South Brunswick Township Weather Forecast

    • 71
    • 86

    Slight Chance Rain Showers

    • 65
    • 86

    Chance Rain Showers

    • 58
    • 80

    Mostly Sunny

    • 65
    • 81

    Chance Rain Showers

    • 66
    • 82

    Chance Rain Showers

    • 65
    • 84

    Partly Sunny

Today 9 Sep Middlesex

Patchy fog this morning. Partly sunny. Hot with Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 9 Sep Middlesex

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Warmer with Lows in the lower 70s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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South Brunswick Township Temperature Statistics

September Temperature

Trenton, Mercer County Airport (16.2 miles)

  • Lowest 6 September, 2026

    62.1 °F

  • Average September

    75.3 °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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