South Dewees Island Weather Forecast

    • 75
    • 83

    Rain Showers Likely

    • 76
    • 84

    Rain Showers Likely

    • 75
    • 84

    Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 76
    • 87

    Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

Today 7 Sep Charleston

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 7 Sep Charleston

Partly cloudy in the Evening, then clearing. A chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the mid 70s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

South Dewees Island Temperature Statistics

September Temperature

Mount Pleasant Regional-Faison Field (5 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    82 °F

  • Highest 2 September, 2026

    91.4 °F

Climate (2021–2026)

Mount Pleasant Regional-Faison Field (5 miles)

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

  • Average Low 2021–2026

    58.4 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    75.6 °F
Get WillyWeather+ to remove ads