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Cool Northerly Replaces Recent Warmth, With Mountain Snow Risk and a Settled Week Ahead

Forecasters caution that any late‑September warm spell or Atlantic storm shown on private charts is uncertain because ex‑Hurricane Gabrielle may disrupt the pattern.

Overview

  • The Met Office issued yellow warnings for rain and wind over the weekend, warning of 20–30mm widely and up to 60–80mm in parts of Wales and northern England.
  • Sunday turns drier and sunnier for many with cooler daytime highs near 15C and notably chilly mornings after the recent mild spell.
  • There is a chance of snow on only the very highest mountain peaks as the cooler air mass moves in from the north.
  • The official long‑range outlook for September 24 to October 3 favors high pressure at first with widely settled conditions, patchy night fog or frost, and some early‑week showers in East Anglia and the southeast.
  • Private model maps diverge, with Netweather.tv suggesting around 22C in parts of England on September 29 and WXCharts indicating a large Atlantic storm around September 27, though the Met Office says confidence in any shift is very low.