Swan Canyon Weather Forecast

    • 70
    • 88

    Increasing Clouds

    • 68
    • 84

    Partly Sunny

    • 66
    • 80

    Mostly Sunny

    • 64
    • 79

    Mostly Sunny

    • 63
    • 77

    Mostly Sunny

    • 65
    • 77

    Mostly Sunny

Today 11 Sep San Diego County Coastal Areas

Mostly sunny. Highs 80 to 85 near the coast to 90 inland. Areas of Winds south to 10 Mph.

Tonight 11 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows around 70. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swan Canyon Temperature Statistics

September Temperature

San Diego, San Diego International-Lindbergh Field (5 miles)

  • Lowest 3 September, 2026

    63.6 °F

  • Average September

    76.8 °F

  • Highest 6 September, 2026

    95.6 °F

Climate (2021–2026)

San Diego, San Diego International-Lindbergh Field (5 miles)

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  • Average Low 2021–2026

    58.1 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    71.1 °F
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