September lawn care sets the stage for a healthy lawn year-round. Whether you have cool-season grass that thrives in fall or warm-season turf preparing for dormancy, the right balance of fertilization, weed control, and repair work now ensures strong, green growth in the coming year.

Switching from cool-season to warm-season grass is a project, but if you’re in USDA Zones 7–9, it’s a game-changer. My lawn went from a summer struggle to a lush, green, heat-tolerant yard I barely worry about.

Is your lawn thinning out? Learn how overseeding can bring it back to life - step-by-step tips for a greener, thicker lawn this season.