Stock indices traded lower as concerns about the Eurozone's economy and the Scotland's independence referendum on Thursday weighed on markets

Market participants are awaiting the results of the Fed's policy meeting. They expect the Fed will cut its asset purchase program by another $10 billion.

Market participants also speculate the Fed will start to hike its interest rate sooner than expected.

The ZEW economic sentiment index for Germany declined to 6.9 in September from 8.6 in August, beating expectations for a drop to 5.2.

Eurozone's ZEW economic sentiment index dropped to 14.2 in September from 23.7 in August, missing forecast of a decrease to 21.3.

Indexes on the close:

Name Price Change Change %

FTSE 100 6,792.24 -11.97 -0.18%

DAX 9,632.93 -26.70 -0.28%

CAC 40 4,409.15 -19.48 -0.44%