Brits could be in for another blast of scorching weather in just over a week, with fresh weather maps showing temperatures rocketing to 28C across 14 counties.
The latest maps from WXCharts reveal a plume of much warmer air sweeping across southern and eastern England on Monday, September 7. Temperatures are predicted to rise widely into the mid-to-high 20s, with a vast stretch of the country shown hitting 27C to 28C by 6pm.
The most sweltering conditions are focused across London, the South East, East of England, and parts of the Midlands. Here is an SEO-optimized breakdown of the upcoming mini-heatwave, the specific regions affected, and the distinct north-south divide.
The September 7 Heat Plume
The Focus: The timing of the heatwave and peak temperature zones.
According to the latest meteorological models running from late August, a significant plume of warm air will push across the UK on September 7. The mercury could soar even higher in some localized areas, with the maps displaying temperatures peaking at an exceptional 29C, particularly across southern England.
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A Stark North-South Divide
A temperature anomaly map reveals a stark divide across Britain. Southern England is predicted to be significantly warmer than the 1991-2020 climate average, while cooler-than-average conditions are indicated across parts of northern Britain.
- Wales & The West: Temperatures of around 25C to 27C are displayed across parts of southern England and the West Country. Much of Wales is predicted to reach the low-to-mid 20s.
- The North & Scotland: A distinct split is evident, with areas of northern England expected to hit around 20C to 23C. Weather conditions are set to be markedly cooler throughout Scotland, where temperatures are typically forecast in the mid-to-high teens.
The 14 Counties Set to Bake
The South East appears set to experience some of the most blistering conditions, with temperatures hitting 28C across London, the Home Counties, and towards East Anglia. The 14 counties forecast to reach around 28C include:
- Greater London
- Surrey
- Berkshire
- Buckinghamshire
- Oxfordshire
- Hertfordshire
- Bedfordshire
- Cambridgeshire
- Northamptonshire
- Essex
- Kent
- East Sussex
- West Sussex
- Hampshire
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Conclusion
As the sixth heatwave of 2026 prepares to land, residents in southern and eastern England should brace for late-summer temperatures soaring toward 28C on September 7. While the North and Scotland will experience much cooler, average conditions, those in the 14 affected southern counties can look forward to a significant, albeit brief, return to sweltering summer weather.
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