San Antonio Botanical Garden Weather Forecast

    • 74
    • 97

    Hot

    • 76
    • 97

    Hot

    • 76
    • 98

    Hot

    • 76
    • 97

    Slight Chance Thunderstorms

    • 76
    • 97

    Hot

    • 75
    • 97

    Hot

Today 19 Sep Bexar

Partly cloudy this Morning, then clearing. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 19 Sep Bexar

Clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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San Antonio Botanical Garden Temperature Statistics

September Temperature

San Antonio, San Antonio International Airport (5 miles)

  • Lowest 17 September, 2026

    77 °F

  • Average September

    88.9 °F

  • Highest 15 September, 2026

    101.6 °F

Climate (2021–2026)

San Antonio, San Antonio International Airport (5 miles)

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    72.4 °F

  • Average High 2021–2026

    83.5 °F
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