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Britain's Summer Encore: Four Days of 20C+ Weather Ahead
19 Sep
Summary
- Temperatures will exceed 20C for four consecutive days next week.
- Tuesday, September 22, is forecast to reach a high of 25C.
- An autumnal cold snap with potential frost may follow this warm spell.

Brits can anticipate a late summer heatwave as temperatures are predicted to surpass 20C for four days in a row starting next week. The warmest day is anticipated for Tuesday, September 22, when the southeast of England could see highs of 25C. This warm period follows a pleasant weekend, with Saturday, September 19, expected to reach 23C in London and Sunday, September 20, hitting 21C.
While Saturday may see some patchy rain and showers, particularly in southern and western areas, Sunday is expected to be brighter. As high pressure builds, Monday and Tuesday will bring sunny spells and warmer conditions, reminiscent of mid-summer. However, this warm interlude is forecast to be short-lived. From Wednesday, September 23, an autumnal chill is expected, potentially introducing overnight fog and frost.