Long Island Weather Forecast

    • 65
    • 77

    Becoming Sunny

    • 60
    • 72

    Partly Sunny

    • 60
    • 68

    Mostly Sunny

    • 64
    • 72

    Mostly Sunny

    • 64
    • 74

    Partly Sunny

    • 67
    • 72

    Mostly Cloudy

Today 4 Sep Southern Bristol

Partly sunny. Areas of fog in the morning. Humid with Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 4 Sep Southern Bristol

Mostly cloudy. Areas of fog. Near steady temperature in the upper 60s. West Winds around 5 Mph.

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Long Island Temperature Statistics

September Temperature

New Bedford, New Bedford Regional Airport (7.5 miles)

  • Lowest 1 September, 2026

    57.9 °F

  • Average September

    63.2 °F

  • Highest 1 September, 2026

    70 °F

Climate (2021–2026)

New Bedford, New Bedford Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    61.9 °F
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