Germany's DAX 30 index closed up 38.76 points, or 0.17%, at 23,363.23 on Wednesday, September 17.
The UK's FTSE 100 index rose 14.94 points, or 0.16%, to 9,210.60 on Wednesday, September 17.
France's CAC 40 index fell 31.24 points, or 0.40%, to 7,786.98 on Wednesday, September 17.
The Stoxx 50 index closed down 1.06 points, or 0.02%, at 5,371.25 points on Wednesday, September 17.
The Spanish IBEX 35 index closed down 16.40 points, or 0.11%, at 15,138.50 points on Wednesday, September 17.
The Italian FTSE MIB index closed down 535.56 points, or 1.26%, at 41,969.00 points on Wednesday, September 17.