Philadelphia Weather Forecast

    • 69
    • 84

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

    • 66
    • 81

    Chance Rain Showers

Today 13 Sep Inland Sussex

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 13 Sep Inland Sussex

Mostly clear. Lows in the upper 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Philadelphia Temperature Statistics

September Temperature

Georgetown - Delaware Coastal Airport (8.1 miles)

  • Lowest 8 September, 2026

    60.7 °F

  • Average September

    76.8 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Georgetown - Delaware Coastal Airport (8.1 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
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