Cardiff Weather Forecast

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 88

    Rain Showers

    • 71
    • 91

    Chance Thunderstorms

    • 71
    • 93

    Mostly Sunny

    • 71
    • 94

    Slight Chance Thunderstorms

    • 70
    • 92

    Slight Chance Thunderstorms

Today 11 Sep Jefferson

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs around 90. Temperature falling into the lower 80s in the afternoon. South Winds around 5 Mph. Chance of rain 70 percent.

Tonight 11 Sep Jefferson

Mostly cloudy. Near steady temperature in the mid 70s. South Winds around 5 Mph.

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Cardiff Temperature Statistics

September Temperature

Birmingham, Birmingham International Airport (11.8 miles)

  • Lowest 1 September, 2026

    73.7 °F

  • Average September

    87.1 °F

  • Highest 4 September, 2026

    102.7 °F

Climate (2021–2026)

Birmingham, Birmingham International Airport (11.8 miles)

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  • Average Low 2021–2026

    55.6 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    76.3 °F
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