Sun City Hilton Head Weather Forecast

    • 68
    • 87

    Decreasing Clouds

    • 69
    • 89

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

    • 70
    • 86

    Mostly Sunny

    • 70
    • 84

    Chance Thunderstorms

    • 70
    • 82

    Slight Chance Thunderstorms

    • 70
    • 86

    Slight Chance Thunderstorms

Today 17 Sep Coastal Jasper

Partly sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 17 Sep Coastal Jasper

Mostly cloudy this Evening, then clearing. Lows in the upper 60s, except in the lower 70s near the coast. South Winds 5 to 10 Mph.

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Sun City Hilton Head Temperature Statistics

September Temperature

Hilton Head Island, Hilton Head Airport (16.2 miles)

  • Lowest 4 September, 2025

    66.2 °F

  • Average September

    73.9 °F

  • Highest 7 September, 2025

    87.8 °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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