Spanish retail sales rose by 6.5% in September from a year earlier on a calendar-adjusted basis and excluding the effects of inflation, after rising by a revised 7.1% in August, the National Statistics Institute (INE) said on Friday.

The August figure was revised down from a preliminary increase of 7.2%, INE said. (Reporting by Joanna Jonczyk-Gwizdala, editing by Emma Pinedo)