The euro area's investor confidence index climbed to 5.1 points in September from 0.9 points in August, a Sentix survey published Monday showed.
The latest reading is above the consensus estimate of 2.1 points and marks the highest since February 2022.
The expectations index for the region increased to 13.8 points from 10.3 points, while the current situation indicator rose to -3.3 points from -8.0 points.