The Met Office has extended a yellow rain warning to Monday, as Britain braces for a rainy weekend. Sunday will see heavy outbreaks of rain moving northwards through the morning across southern England and much of Wales.

A yellow weather warning for thunder has been issued across southern England by the Met Office. The warning, which includes West Sussex and Surrey, begins at 12:00BST on Friday and finishes at 20:00,

Sunday marks the autumnal equinox - a biannual event in which the sun is exactly above the equator. Sunday’s weather warning will remain in place until 11.59pm, with the Met Office forecasting up to 80mm of rain over the course of 12 to 24 hours - nearly matching the September average for rain in the UK.