September 2026 brings the Harvest Moon, the fall equinox, meteor showers, changing leaves, migrating birds, cooler nights, and plenty to do in the garden. Here’s your Farmers’ Almanac guide to everything worth watching this month.

Millions of birds are migrating south right now—and many are flying high overhead while we sleep. Here’s why fall migration happens at night, how birds navigate in the dark, and how you can help them along the way.

September brings one of the year’s fastest changes in daylight. See how many minutes of sunshine cities across the U.S. lose during September 2026—and why northern locations like Seattle lose more than twice as much daylight as Miami.

When will the first frost arrive where you live? See our 2026 regional first-frost guide, average frost dates, and what gardeners should protect before temperatures fall.

Where will fall color be best in 2026? Our Farmers’ Almanac Fall Foliage Outlook points to the central Appalachians for the strongest display, with generally good prospects across much of the East and Southeast, and more mixed or spotty conditions in parts of the West, Upper Midwest, and southern tier.

Why are fall colors brighter some years? Learn how sunshine, cool nights, rain, drought, frost, and temperature determine how brilliant autumn foliage becomes.

Apple season is one of the tastiest signs that fall has arrived. From crisp Honeycrisp to tart Granny Smith, there...

Fall officially began on Tuesday, September 22, 2026, at 8:05 p.m. EDT, with the arrival of the autumnal equinox. So...

Your backyard may have more birds now than it did in spring. So why does August sound so empty? All...

From sleeping porches to blocks of lake ice, Americans once used surprisingly clever ways to survive the hottest days of...