First storm of autumn puts the Indian summer on hold Temperatures will cool to 60.8F (16C) in the South East, well below the 68F (20C) average for this time of year. On Sunday, winds will reach a near-hurricane 70mph as a band of rain blows in from the Atlantic, with more than 2in expected in Scotland. Paul Gundersen, of the Met Office, warned that gale-force westerly winds could cause disruption to travel. The changeable and cool weather is expected to continue into next week. The Woodland Trust said trees could lose their leaves in the storm after a dry August - many are already shedding leaves to save water in a phenomenon known as a "false autumn." Although the fronts from the Atlantic have killed off hopes for an Indian summer, defined as warm weather after a frost, the Met Office said parts of the UK could have above-average, "pleasant" temperatures in the last week of the month and into October.