Terra Nova Weather Forecast

    • 64
    • 74

    Partly Sunny

    • 63
    • 74

    Mostly Sunny

    • 62
    • 75

    Mostly Sunny

    • 63
    • 77

    Mostly Sunny

    • 64
    • 76

    Partly Sunny

    • 63
    • 74

    Mostly Sunny

Today 16 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 72 to 75 near the coast to 75 to 79 inland. Areas of Winds south 10 Mph.

Tonight 16 Sep San Diego County Coastal Areas

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

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Terra Nova Temperature Statistics

September Temperature

San Diego, Brown Field Municipal Airport (5 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    78.2 °F

  • Highest 9 September, 2026

    100.7 °F

Climate (2021–2026)

San Diego, Brown Field Municipal Airport (5 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    74.4 °F
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