John Lewis saw its sales drop by 3.7% year-on-year in the week to September 28, as the autumn sunshine impacted footfall.
Online trade was more muted than the previous week although still positive, with Click & collect a key driver through John Lewis department stores and sister grocery chain Waitrose.
Despite the warm weather, four shops still beat their last year numbers. Poole led the new format shops, along with Aberdeen, Welwyn and Milton Keynes.
From a product perspective, a key feature in the Home category was the emergence of Christmas Shop, while electrical and home technology sales climbed by 5% boosted by a strong performance from both small and large electrical appliances
John Lewis Head of Retail Change Chris Hooper said: “The next three weeks look on paper to be real opportunities for sales growth, and with perhaps more autumnal conditions, and a significant team effort, we should get back to business as usual.”