South Carlsbad State Beach Weather Forecast

    • 63
    • 77

    Decreasing Clouds

    • 66
    • 79

    Mostly Sunny

    • 68
    • 80

    Mostly Sunny

    • 70
    • 80

    Mostly Sunny

    • 73
    • 83

    Mostly Sunny

    • 73
    • 85

    Mostly Sunny

Today 28 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 76 to 80. Areas of Winds west to 10 Mph.

Tonight 28 Sep San Diego County Coastal Areas

Partly cloudy. Cooler. Lows 58 to 64. Areas of Winds west to 10 Mph in the evening becoming light.

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South Carlsbad State Beach Temperature Statistics

September Temperature

Carlsbad, McClellan-Palomar Airport (2.5 miles)

  • Lowest 3 September, 2026

    62.7 °F

  • Average September

    74.5 °F

  • Highest 7 September, 2026

    99.6 °F

Climate (2021–2026)

Carlsbad, McClellan-Palomar Airport (2.5 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.5 °F
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