Rest Bay Weather Forecast

    • 11
    • 17

    Partly cloudy

    • 15
    • 19

    Cloudy

    • 12
    • 19

    Partly cloudy

    • 17
    • 18

    Cloudy

    • 16
    • 19

    Cloudy

    • 17
    • 19

    Cloudy

Today 9 Sep Wales

Any showers will ease through the morning, leaving a mostly dry and bright day with sunny spells. Light winds making it feel slightly warmer than Tuesday. Maximum temperature 19 °C.

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Rest Bay Temperature Statistics

September Temperature

St-athan (21km)

  • Lowest 5 September, 2026

    12.6 °C

  • Average September

    17.7 °C

  • Highest 6 September, 2026

    25.1 °C

Climate (2021–2026)

St-athan (21km)

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  • Average Low 2021–2026

    9.1 °C

  • Average 2021–2026

    12 °C

  • Average High 2021–2026

    14.8 °C
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