South Brunswick Township Weather Forecast

    • 68
    • 81

    Rain Showers

    • 64
    • 80

    Rain Showers

    • 52
    • 76

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 59
    • 81

    Partly Sunny

    • 62
    • 83

    Chance Rain Showers

Today 12 Sep Middlesex

Mostly sunny. Highs around 80. East Winds around 5 Mph, becoming southeast this afternoon.

Tonight 12 Sep Middlesex

Mostly cloudy. A chance of Showers in the Evening, then Showers with a chance of Thunderstorms after midnight. Patchy fog after midnight. Locally heavy rainfall possible after midnight. Humid with Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 80 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Brunswick Township Temperature Statistics

September Temperature

Trenton, Mercer County Airport (16.2 miles)

  • Lowest 8 September, 2026

    56.6 °F

  • Average September

    74 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    64.5 °F
Get WillyWeather+ to remove ads