Porthleven Weather Forecast

    • 11
    • 18

    Cloudy

    • 14
    • 18

    Cloudy

    • 11
    • 18

    Heavy rain shower

    • 15
    • 17

    Partly cloudy

    • 16
    • 19

    Cloudy

    • 14
    • 18

    Light rain shower

Today 25 Sep South West England

Early fog patches gradually clearing to leave some brightness in eastern counties. Showery rain soon arriving in west Cornwall, with the odd spot developing elsewhere through the afternoon. Cooler. Maximum temperature 21 °C.

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Porthleven Temperature Statistics

September Temperature

Culdrose (4km)

  • Lowest 24 September, 2026

    9.7 °C

  • Average September

    16.2 °C

  • Highest 6 September, 2026

    22.7 °C

Climate (2021–2026)

Culdrose (4km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    12.1 °C

  • Average High 2021–2026

    14.5 °C
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