These remarkable weather maps reveal precisely where Britain will soon bask in a scorching 30C Indian Summer.
The Met Office confirms temperatures will soar next month during the "sunnier, drier spells" forecasters predict.
The hottest period is anticipated on or around Tuesday September 9, more than one week into meteorological autumn.
The mercury is forecast to reach 30C during this spell, with the new weather maps indicating this peak will likely occur across the Southeast of England and parts of the East of England.
This is due to a high pressure system moving in from the Continent, meteorologists believe, reports The Mirror.
Temperatures "may rise above (average) at times in any drier, sunnier spells," the Met Office website states in its long-term forecast, acknowledged to be fairly tentative at such distance.
The peak temperatures could extend as far north as Hull, whilst across the northwest of England it could also reach the mid 20Cs, though most of Wales and southwest England is unlikely to exceed 20Cs.
However, it will mark a dramatic shift from the recent temperature drop over recent days.
Met Office data revealed the mercury struggled to reach 18C in Auchincruive, South Ayrshire on Friday, and only climbed to 23C in Pershore, Worcestershire - figures below average for August.
Meanwhile, more than 57mm of rain deluged Plymouth, Devon, on Friday.
This represents more than half an average August total for the city and occurred as a band of low pressure swept in from the southwest. Looking ahead though, the Met Office's full long-term forecast reads: "Changeable and unsettled weather conditions are expected across the UK during this period with low pressure systems tending to dominate the overall pattern. This will mean showers or longer spells of rain will affect the much of the UK at times.
"Some heavy rain or showers are expected in places, most often in the west. Thunderstorms and hail are also possible, as are some spells of strong winds if any deep areas of low pressure form in the vicinity of the UK.
"Some short-lived spells of drier and more settled weather are also possible at times, especially later in the period when they may last a little longer. Temperatures will likely be close to average or slightly below overall, but may rise above at times in any drier, sunnier spells."
This covers the broader timeframe from Wednesday September 3 to Friday September 12.
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