After Kingsley Coman opened the scoring to put the hosts ahead, Sessegnon picked up the ball on the edge of the box midway through the first-half.
Allowing the ball to fall across his body, Sessegnon then rivalled in a powerful half-volley which flew past Manuel Neuer at his near post.
You can watch the sublime goal below.
However, Bayern Munich enjoyed the better of the first-half and snatched the lead back when first-half substitute Thomas Muller – who replaced the injured Coman – stabbed home from close range after a goalmouth scramble.
For live coverage of the Champions League group stage clash, click here.