Benchmarked strictly across TripTiming's 5 empirical pillars: Crowds, Weather, Vibes, Prices, and Safety.
Cabo San Lucas emerges as the optimal September destination with an overall TripTiming Index of 75/100 vs 67/100 for Cancun (+8 point advantage). Cabo San Lucas experiences substantially lower visitor footfall and shorter landmark queues (low density / tranquil vs moderate footfall in Cancun). Sightseeing is further aided by comfortable outdoor weather (35°C feels-like).