On Labor Day people do things like play football, go to a parade, or some people also have barbecues. I will list some things you can do on Labor Day.
Play or watch football
People love to watch football on Labor Day because, Labor Day is usually the beginning of football. Watching football also goes good with a family barbecue. Sometimes NFL teams play their opener either on Labor Day or the following Thursday.
Go to a Labor Day Parade
There are some parades that people go to on Labor Day. In New York they hold a big Labor Day party. In 1882 there was a big Labor day party in New York's Union Square.
Have a barbecue or have a party
Some people throw parties on Labor Day and some have a barbecue with family and friends while they watch some football or play some games in the backyard.
Light up some fireworks
In some states it is legal to light up some fireworks. But in some states you can not light up fireworks for example, In California you cannot light up the fireworks that go up into the air, in Washington state it is allowed. Before you do anything i suggest that you go and check if you can light up fireworks in your state.