Seguin Weather Forecast

    • 77
    • 100

    Slight Chance Thunderstorms

    • 77
    • 99

    Hot

    • 76
    • 98

    Hot

    • 76
    • 97

    Hot

    • 76
    • 99

    Hot

    • 76
    • 100

    Hot

    • 75
    • 98

    Hot

Today 7 Sep Guadalupe

Mostly sunny. Highs in the upper 90s. Southeast Winds around 5 Mph.

Tonight 7 Sep Guadalupe

Mostly clear. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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  • Temperature Real-Time

Seguin Temperature Statistics

September Temperature

New Braunfels Regional Airport (10.6 miles)

  • Lowest 1 September, 2026

    74.6 °F

  • Average September

    87.9 °F

  • Highest 2 September, 2026

    102.7 °F

Climate (2021–2026)

New Braunfels Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    60.8 °F

  • Average 2021–2026

    72.2 °F

  • Average High 2021–2026

    84.2 °F
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