Alamo Heights Weather Forecast

    • 77
    • 97

    Hot

    • 77
    • 98

    Hot

    • 77
    • 100

    Hot

    • 77
    • 99

    Hot

    • 77
    • 99

    Hot

    • 76
    • 98

    Hot

Today 10 Sep Bexar

Partly cloudy. Highs in the upper 90s. South Winds 5 to 10 Mph.

Tonight 10 Sep Bexar

Partly cloudy. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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Alamo Heights Temperature Statistics

September Temperature

San Antonio, San Antonio International Airport (3.1 miles)

  • Lowest 5 September, 2026

    77.6 °F

  • Average September

    88.3 °F

  • Highest 2 September, 2026

    100.7 °F

Climate (2021–2026)

San Antonio, San Antonio International Airport (3.1 miles)

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    72.3 °F

  • Average High 2021–2026

    83.5 °F
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