Hamden Weather Forecast

    • 41
    • 65

    Sunny

    • 51
    • 70

    Mostly Sunny

    • 60
    • 78

    Mostly Cloudy

    • 61
    • 77

    Rain Showers Likely

    • 52
    • 74

    Partly Sunny

    • 52
    • 72

    Chance Rain Showers

Today 14 Sep Delaware

Sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Sep Delaware

Clear. Patchy fog after midnight. Lows in the lower 40s. North Winds 5 to 10 Mph in the Evening, becoming light and variable.

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Hamden Temperature Statistics

September Temperature

Monticello, Sullivan County International Airport (34.8 miles)

  • Lowest 7 September, 2026

    48 °F

  • Average September

    65.7 °F

  • Highest 3 September, 2026

    81 °F

Climate (2021–2026)

Monticello, Sullivan County International Airport (34.8 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    55.2 °F
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