Growth experienced across the board as autumn ranges hit shelves.
This summer has been the most successful on the High Street for the last five years, according to new figures from BDO.
Like for like sales at medium-sized retailers grew by 3.6 per cent during August.
This is the third month in a row to see growth, giving an average rise of 4.3 per cent for the summer months of June, July and August. Last summer, average growth for the same period had dropped by 1.6 per cent.
Apart from in 2007, average growth for June, July and August has been negative since 2006.
All sectors have seen an uplift. The combinaton of colder weather and the release of autumn ranges pushed fashion sales up by 2.8 per cent, while cookware and accessories helped the homewares sector grow by 4.5 per cent.
Non fashion sales - boosted by luxury and gift products - saw growth top 5.3 per cent, while online sales soared by 32.8 per cent.
"Current trading on the High Street is still relatively strong, with the pessimism from some quarters overdone," said Don Williams, head of retail at BDO.