After a wet and windy it is all change again with the mercury poised to rocket through this week.
Thermometers are expected to hit 28C in the south by Thursday with humidity swept in from the Continent making it feel close to 30C.
Northern England and parts of Scotland can expect highs of around 22C around 10C above average for the time of year.
It will herald the start of an unusually balmy September with warm weather likely to hang around for at least a fortnight.
Forecasters predict “fantastic” Indian Summer-like weather throughout the month although there will be a risk of thundery outbreaks.
It comes after Met Office figures reveal Britain had an average summer with temperatures around half a degree above average overall.