Sterling fell for the ninth session out of eleven away from the highest since mid-September, following earlier data from Britain and the US, the world's largest economy.
As of 06:31 GMT, GBP/USD shed 0.12% to 1.2875 from the opening of 1.2891, with an intraday low at 1.2853, and a high at 1.2909.
Earlier UK data showed retail sales slowed down in growth to 0.5% from 0.6% in June, beating expectations of 0.1%, while on a yearly basis, sales slowed down below expectations, as core sales steadied unexpectedly m/m and slowed down on a yearly basis.
Otherwise, earlier US data showed unemployment claims fell past expectations, while the Philly manufacturing index slowed down in August to 18.9 from 19.5, besting expectations of 18.3, and finally, industrial production slowed down more than expected last month, as the Capacity Utilization Rate steadied in line with expectations.