Should I leave fallen leaves on my lawn? Learn when leaves help your grass and soil, when they can smother turf, and what to ...

Dragonfly migration peaks in September across much of North America. Learn why dragonflies migrate, where they go, how far ...

Have you noticed it yet? Step outside on a September morning and the air somehow smells different. Cooler. Earthier. Woodier.

Almost every culture that drinks together has invented a ritual gesture to do at the start of the round. Glass-raising. Glass-clinking. Eye contact. A spoken word that means health, luck, or long life ...

When should you stop mowing your lawn for winter? See the best temperature, final mowing height, and typical last-mow timing ...

When will the first snowfall happen where you live? See our U.S. first snow map and typical first snowfall timing from September through winter.

The Atlantic hurricane season reaches its climatological peak around September 10. Here’s why storms are historically most ...

They did not arrive overnight. Their colonies have been growing since spring—and by late summer, thousands of hungry workers ...

When will fall colors peak near you in 2026? Our new U.S. map shows how peak foliage progresses from the northern mountains in late September through New England, the Midwest, Appalachians and South ...

Why are September mornings suddenly chilly while afternoons stay warm? Longer nights, radiational cooling, and lingering ...

Why are old houses divided into so many small rooms? From keeping warm in winter to controlling cooking smells and creating ...