Find a swimming hole that your family can visit free of charge.
Go on picnics whenever you can.
Take advantage of the playground.
The park is a great place to play Frisbee, tag or baseball.
When it is too hot to move, read a good book.
Rake the leaves and jump in the pile.
Make a scarecrow from old clothes.
Take a walk and photograph the foliage for a scrapbook or a photo arrangement.
Bake pumpkin seeds.