Delaware River - Diehl Point Weather Forecast

    • 60
    • 81

    Mostly Cloudy

    • 61
    • 76

    Rain Showers Likely

    • 63
    • 72

    Chance Rain Showers

    • 62
    • 80

    Slight Chance Rain Showers

    • 58
    • 85

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

Today 15 Sep Northwestern Burlington

Partly sunny. Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Northwestern Burlington

Mostly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Delaware River - Diehl Point Temperature Statistics

September Temperature

Philadelphia, Northeast Philadelphia Airport (3.1 miles)

  • Lowest 8 September, 2025

    53.1 °F

  • Average September

    69.3 °F

  • Highest 6 September, 2025

    87.1 °F

Climate (2020–Present)

Philadelphia, Northeast Philadelphia Airport (3.1 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    66.6 °F
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