September is the secret sauce of the year. When summer lingers just long enough to let you soak up sun and slow things down before fall’s crisp arrival. It’s the perfect window for a getaway — when the crowds have thinned, the days stay warm, and everything moves at your pace. Whether you’re chasing the salty breeze of the Mediterranean, mountain air that tastes like adventure, or city streets steeped in history, this late summer stretch invites you to savor…