Thursday was the most well liked day of the yr thus far, in accordance with provisional Met Office figures, and forecasters are predicting extra of the identical.
Temperatures soared to 32.6C (90.7F) in Wisley, Surrey – exceeding the 32.2C (90F) recorded on two separate days in June.
The jet stream has been pushed “well to the north of the UK, allowing some very warm air to be drawn north”, stated Met Office chief meteorologist Neil Armstrong.
On Wednesday, the UK skilled its hottest September day since 2016, with 32C (89.6F) recorded at Kew Gardens in west London.
Check your native climate forecast right here
Temperatures will rise additional because the week continues.
The heatwave is prone to peak on Saturday with temperatures rising as excessive as 33C (91.4F) in London, the Met Office stated.
The UK Health Security Agency (UKHSA) has issued an amber warmth well being alert throughout England till 9pm on Sunday – other than within the North East, which is underneath a decrease yellow alert.
The climate has been heat sufficient to be classed as a heatwave in some elements of England and Wales, which have had three consecutive days at or above their threshold temperatures.
In the South, record-breaking tropical nights are forecast, with temperatures anticipated to stay above 20C (68F) all via the small hours.
The remainder of the week is prone to be scorching and dry, in accordance with the Met Office.
Thundery situations are additionally due, nonetheless, with an rising probability of some heavy and thundery showers, primarily within the West.
What’s an omega block – and the way’s it inflicting excessive climate?
This heatwave could be very uncommon – here is why
Click to subscribe to ClimateCast with Tom Heap wherever you get your podcasts
The scorching climate follows a cool and moist summer time for a lot of the UK.
Mr Armstrong stated: “An active tropical cyclone season in the North Atlantic has helped to amplify the pattern across the North Atlantic, pushing the jet stream well to the north of the UK, allowing some very warm air to be drawn north.
“It’s a marked distinction to a lot of meteorological summer time, when the UK was on the northern aspect of the jet stream with cooler air and extra unsettled climate.”