Sussex Weather Forecast

    • 46
    • 65

    Mostly Cloudy

    • 44
    • 66

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 48
    • 67

    Chance Rain Showers

    • 49
    • 66

    Chance Rain Showers

    • 49
    • 69

    Partly Sunny

Today 22 Sep Sussex

Mostly cloudy. Highs in the lower 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Sep Sussex

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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Sussex Temperature Statistics

September Temperature

Sussex, Sussex Airport (0.6 miles)

  • Lowest 19 September, 2026

    57.9 °F

  • Average September

    67.8 °F

  • Highest 18 September, 2026

    82 °F

Climate (2021–2026)

Sussex, Sussex Airport (0.6 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63.2 °F
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