The survey of 117 respondents, including 55 retail firms, found that sales for the time of year were considered to be slightly above seasonal norms.
Meanwhile, orders placed with suppliers also rose in the year to September, also rebounding from a fall in the previous month. Retailers expect continued growth in both sales and orders in the year to October, albeit at a slower pace.
Growth in internet sales volumes rose in the year to September, to slightly above the long-run average, and are expected to expand at a somewhat slower pace in October.
Within the retail sector, the main drivers of growth in overall volumes were the grocery and clothing sectors. Retailers of furniture & carpets, specialist food & drink stores and sellers of recreational goods reported falling sales volumes over the year to September.