Leading Japanese casual clothing company Fast Retailing Co Ltd on Thursday posted an 11.4 per cent fall in September same-store sales at its well-known Uniqlo stores.

The company cited hot weather for the sales slide which came after they rose 6.7 per cnet in August for the first time in nearly two years.

Fast said per-customer sales slipped 2.5 per cent last month from 2002 while the number of people visiting its stores fell 9.1 per cent year-on-year.