Fiesta Island Park Weather Forecast

    • 67
    • 71

    Decreasing Clouds

    • 68
    • 73

    Partly Sunny

    • 66
    • 73

    Partly Sunny

    • 65
    • 68

    Mostly Cloudy

    • 64
    • 67

    Mostly Cloudy

    • 64
    • 67

    Mostly Cloudy

    • 63
    • 68

    Mostly Sunny

Today 6 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 73 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 6 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 62 to 66. Light Winds.

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Fiesta Island Park Temperature Statistics

September Temperature

San Diego, San Diego International-Lindbergh Field (3.7 miles)

  • Lowest 1 September, 2025

    68 °F

  • Average September

    72.9 °F

  • Highest 1 September, 2025

    79 °F

Climate (2020–Present)

San Diego, San Diego International-Lindbergh Field (3.7 miles)

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  • Average Low 2020–2025

    57.8 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    70.9 °F
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