Heavy downpours are set to cause flooding in some parts of the UK as the warmest summer on record ends in a washout.

Some areas have already seen more than half a month’s worth of rain in 11 hours.

Stormy weather will push through western parts of the UK during Saturday, and the rain is expected to be heavy and persistent, unlike the recent short-lived and intense downpours.

The heaviest deluges were on England’s southern coast between Thursday night and Friday morning, as the remnants of Hurricane Erin were subsumed into a low-pressure system.

Heligan Gardens, Cornwall, received 63mm of rain, 56mm were recorded in Mount Batten, Devon, and 49.9mm in Friar Waddon, Dorset, between 10pm on Thursday and 9am on Friday.

Cornwall’s average rainfall for the whole of August is 92.5mm, Devon’s

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