Sempronius Weather Forecast

    • 52
    • 74

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 54
    • 76

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

Today 15 Sep Southern Cayuga

Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. East Winds around 5 Mph, becoming northeast in the afternoon.

Tonight 15 Sep Southern Cayuga

Mostly clear. Patchy fog. Lows in the lower 50s. Light and variable Winds.

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Sempronius Temperature Statistics

September Temperature

Cortland County-Chase Field (10.6 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    57.2 °F

  • Highest 4 September, 2025

    77 °F

Climate (2020–Present)

Cortland County-Chase Field (10.6 miles)

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  • Average Low 2020–2025

    38 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    56.6 °F
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