Markit Economics released final services purchasing managers' index (PMI) for the Eurozone on Monday. Eurozone's final services purchasing managers' index (PMI) decreased to 53.7 in September from 54.4 in August, up from the preliminary reading of 54.0.

New orders rose at slower pace in September.

Eurozone's final composite output index declined to 53.6 in September from 54.3 in August, down from the preliminary reading of 53.9.

"The weakening of the pace of expansion in September raises the risk of growth fading further in the fourth quarter, which would in turn boost the likelihood of the ECB opening the QE taps further," Chief Economist at Markit Chris Williamson said.