In early afternoon, official data revealed that German inflation was unchanged in August. This came a day ahead of Europe-wide inflation figures which will be closely watched, as the metric is a key gauge for the ECB in deciding policy.
Expectations are running relatively high that the central bank will act at its September 4 meeting, after President Mario Draghi sounded a dovish note at his Jackson Hole speech last Friday.
Read MoreECB action tied to Friday's inflation numbers
In Spain, a final reading of second-quarter gross domestic product (GDP) came in as expected, showing a rise of 0.6 percent from the previous quarter. The year-on-year figure came in at 1.2 percent. Consumer price data for Spain showed a yearly fall of 0.5 percent for August. This was better than forecasts but lower than the figure for July.