Sun City Hilton Head Weather Forecast

    • 70
    • 87

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

    • 73
    • 91

    Partly Sunny

    • 69
    • 91

    Chance Thunderstorms

    • 68
    • 82

    Chance Thunderstorms

    • 69
    • 81

    Chance Thunderstorms

Today 4 Sep Coastal Jasper

Sunny. Highs in the upper 80s. Northeast Winds around 5 Mph, becoming southeast this afternoon.

Tonight 4 Sep Coastal Jasper

Mostly clear. Lows in the upper 60s, except in the mid 70s near the coast. South Winds around 5 Mph.

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Sun City Hilton Head Temperature Statistics

September Temperature

Hilton Head Island, Hilton Head Airport (16.2 miles)

  • Lowest 1 September, 2025

    68 °F

  • Average September

    74.3 °F

  • Highest 2 September, 2025

    82.4 °F

Climate (2020–Present)

Hilton Head Island, Hilton Head Airport (16.2 miles)

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  • Average Low 2020–2025

    61 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    75.1 °F
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