Mid-September is Cancun's sweet spot—hurricane season is winding down, crowds have thinned after summer break, and the Caribbean is bathwater-warm at 84°F. You'll trade peak-season chaos for near-empty beaches and lower resort rates.

All fares are round-trip from LAX, pulled within the last 2 hours at the time of posting. Verify on the airline's site before booking. We don't take a cut.