California State University Los Angeles Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 69
    • 91

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 74
    • 97

    Sunny

    • 74
    • 98

    Hot

Today 28 Sep Los Angeles County San Gabriel Valley

Sunny. Highs 96 to 100.

Tonight 28 Sep Los Angeles County San Gabriel Valley

Mostly clear. Lows in the upper 50s to mid 60s.

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California State University Los Angeles Temperature Statistics

September Temperature

Los Angeles / USC Campus Downtown (7.5 miles)

  • Lowest 2 September, 2026

    61.6 °F

  • Average September

    77.1 °F

  • Highest 9 September, 2026

    105.7 °F

Climate (2021–2026)

Los Angeles / USC Campus Downtown (7.5 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    74.9 °F
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