Plymouth (Devonport) Weather Forecast

    • 19
    • 22

    Overcast

    • 12
    • 20

    Cloudy

    • 15
    • 19

    Cloudy

    • 17
    • 21

    Partly cloudy

    • 15
    • 19

    Cloudy

    • 13
    • 18

    Partly cloudy

    • 12
    • 17

    Cloudy

Today 3 Sep South West England

Thursday will start mostly cloudy with patchy rain and hill fog, especially in the south and west. Cornwall and areas near to the south coast will have cloud at times through the day. Elsewhere warm sunshine breaking through. Feeling humid. Maximum temperature 23 °C.

Tonight 3 Sep South West England

Some early evening sunshine in the east, though rather cloudy elsewhere. Cloud thickening from the northwest overnight bringing some hill fog and patchy light rain. Staying warm and humid. Minimum temperature 17 °C.

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Plymouth (Devonport) Temperature Statistics

September Temperature

Mount Batten (3km)

  • Lowest 1 September, 2026

    11.9 °C

  • Average September

    16.8 °C

  • Highest 1 September, 2026

    20.9 °C

Climate (2021–2026)

Mount Batten (3km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    12.2 °C

  • Average High 2021–2026

    15.4 °C
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