Hilton Head Island Weather Forecast

    • 71
    • 85

    Decreasing Clouds

    • 73
    • 87

    Mostly Sunny

    • 72
    • 85

    Mostly Sunny

    • 73
    • 84

    Slight Chance Thunderstorms

    • 73
    • 83

    Chance Thunderstorms

    • 73
    • 82

    Slight Chance Thunderstorms

    • 73
    • 85

    Slight Chance Thunderstorms

Today 17 Sep Beaufort

Mostly sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 17 Sep Beaufort

Mostly cloudy this Evening, then clearing. Lows around 70. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hilton Head Island Temperature Statistics

September Temperature

Hilton Head Island, Hilton Head Airport (3.1 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 (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    61 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    75.1 °F
Get WillyWeather+ to remove ads