Free Printable Labor Day Coloring Pages Labor Day, celebrated the first Monday is September, in the US remembers the contributions of organized labor, unions and workers. Here are free printable occupations, careers and worker coloring pages for Labor Day. Labor Day is also the last picnic holiday before school starts, so if you are organizing a Labor Day BBQ, picnic, or party, you will want these free printable coloring pages for the children at your party. Teachers, start your school year off right with a social studies unit that explores community helpers, workers, occupations and careers. These coloring pages make excellent activities for that a unit on Labor Day. Labor Day coloring pages