The worst of the summer created in the chicago land enviroment will have subsided in the august months leading up to september. Refreshed by the thought of breathing cooler air, as u enjoy the chacnging color of the leafs you're poised to roll up your sleeves and do some fall lawn maintenance  It is important to read these fall lawn care tips first. The regimen right for your fall lawn care will vary, according to whether your lawn is composed of a warm season turf grass or a cool season turf grass. If you are unsure which type comprises your lawn, take a sample to your local county extension.