Princeton Weather Forecast

    • 72
    • 99

    Chance Thunderstorms

    • 63
    • 89

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 71
    • 98

    Hot

    • 64
    • 91

    Slight Chance Thunderstorms

Today 5 Sep Gibson

Sunny. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the upper 90s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 5 Sep Gibson

Mostly clear. Lows in the mid 70s. Calm Winds.

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Princeton Temperature Statistics

September Temperature

Mount Carmel, Mount Carmel Municipal Airport (19.3 miles)

  • Lowest 1 September, 2026

    71.1 °F

  • Average September

    86.5 °F

  • Highest 1 September, 2026

    101.7 °F

Climate (2021–2026)

Mount Carmel, Mount Carmel Municipal Airport (19.3 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    68.5 °F
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