Topsail Beach Weather Forecast

    • 59
    • 75

    Slight Chance Rain Showers

    • 57
    • 73

    Mostly Sunny

    • 58
    • 77

    Sunny

    • 61
    • 79

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 66
    • 81

    Mostly Sunny

Today 24 Sep Coastal Pender

Mostly cloudy with a 20 percent chance of Showers. Breezy with Highs in the mid 70s. North Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 24 Sep Coastal Pender

Mostly cloudy. A slight chance of Showers in the evening. Breezy with Lows in the upper 50s. North Winds 20 to 25 Mph, Diminishing to 10 to 15 Mph after midnight. Chance of rain 20 percent.

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Topsail Beach Temperature Statistics

September Temperature

Wilmington International Airport (16.8 miles)

  • Lowest 17 September, 2026

    64.7 °F
  • Average September

    80.3 °F
  • Highest 5 September, 2026

    97.6 °F

Climate (2021–2026)

Wilmington International Airport (16.8 miles)

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  • Average Low 2021–2026

    56 °F
  • Average 2021–2026

    66 °F
  • Average High 2021–2026

    76.1 °F
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