Warmest September On Record

Guernsey was 2.6 degrees hotter than normal last month, according to the Met.

Temperatures peaked on 9 September, when it reached 29.5°Celsius.

That was the second hottest September day ever recorded on the island, which undoubtedly contributed to the monthly average temperature reaching 18.3°Celsius.

Guernsey Met says the 30-year average for first month of meteorological autumn is 15.7°C.

Total rainfall was average, but half the month's rain fell on a single day  - on 16 September - when 27.2mm was recorded.

The sea temperature, recorded at St Helier harbour in Jersey, was more than a degree warmer in September compared to the 30 year average and is currently 18.4°C.

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Weather Forecast

  • Tue

    18°C

  • Wed

    17°C

  • Thu

    19°C

  • Fri

    17°C

  • Sat

    17°C

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