September music festivals usher in the fall festival season with some of the year's most anticipated events as summer heat fades and ideal outdoor conditions arrive across most of the country. This month consistently delivers outstanding lineups, with major events including Austin City Limits (ACL), Life is Beautiful in Las Vegas, and numerous rock, electronic, and Americana festivals taking advantage of perfect autumn weather.
Labor Day weekend kicks September off with a cluster of major events, and the fall festival schedule builds throughout the month as harvest season and cooling temperatures make outdoor gathering especially enjoyable. September is considered by many festival veterans to be the best month on the calendar for weather and lineup quality. Browse all September 2026 music festivals below.
Washington DC 
Sep 02-06, 2026 
