In celebration of National Yoga Month, the Butler Public Library, 218 N. McKean St., will offer free beginner’s yoga classes from 8:30 to 9:30 a.m. each Monday, Sept. 9 through Sept. 30.

Julie Dandoy will instruct the classes.

Participants should take a yoga mat if they have one. Mats also will be available at the class. Participants should wear comfortable clothing that allows movement.

Although the class is free, interested participants should sign up at the library or call 724-287-1715.