Islenair Weather Forecast

    • 64
    • 77

    Decreasing Clouds

    • 64
    • 76

    Partly Sunny

    • 63
    • 77

    Mostly Sunny

    • 63
    • 78

    Mostly Sunny

    • 64
    • 78

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

Today 15 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 73 to 76 near the coast to 80 inland. Areas of Winds southeast 10 Mph becoming southwest this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. Lows 59 to 65. Light Winds.

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Islenair Temperature Statistics

September Temperature

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

  • Lowest 3 September, 2026

    63.6 °F

  • Average September

    77.6 °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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