Gulf of Mexico Weather Forecast

    • 80
    • 88

    Partly Sunny

    • 78
    • 88

    Slight Chance Thunderstorms

    • 80
    • 91

    Slight Chance Thunderstorms

    • 80
    • 90

    Mostly Sunny

    • 78
    • 89

    Mostly Sunny

    • 77
    • 87

    Partly Sunny

    • 77
    • 86

    Partly Sunny

Today 20 Sep Lower Jefferson

Mostly sunny. Highs in the lower 90s. Southeast Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 20 Sep Lower Jefferson

Partly cloudy. Lows in the upper 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

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Gulf of Mexico Temperature Statistics

September Temperature

Beaumont/Port Arthur Southeast Texas Regional Airport (21.1 miles)

  • Lowest 7 September, 2026

    74.6 °F

  • Average September

    84.6 °F

  • Highest 14 September, 2026

    96.7 °F

Climate (2021–2026)

Beaumont/Port Arthur Southeast Texas Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    62.6 °F

  • Average 2021–2026

    71.3 °F

  • Average High 2021–2026

    81.4 °F
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