All Regions Europe Grim London weather forecast for September as 4 days of rain and thunder to hit The sun will be hiding between clouds for much of the week My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous The First Labor Day ParadeNext BBC Weather verdict on date it will be sunny again in London after 4 days of rain and thunder Related Stories Met Office ‘intense thunderstorms’ 7-hour warning covers parts of London All Regions Europe Met Office ‘intense thunderstorms’ 7-hour warning covers parts of London May 26, 2026 London weather latest – When will the heatwave end? All Regions Europe London weather latest – When will the heatwave end? May 26, 2026 The best London parks to visit in a heatwave crowned All Regions Europe The best London parks to visit in a heatwave crowned May 25, 2026