Cuban vacations in September are not as pleasant as during the summer months. The sweltering heat and high humidity are compounded by frequent storms, which can disrupt your beach vacation. These storms not only affect the beach experience but also fill the water with jellyfish and various debris, making swimming less enjoyable. Yacht cruises are unpopular during Cuba's fall vacations due to concerns about the weather's impact on vessels and passengers. Exploring national parks may not be the best option, as the jungle's humidity is even higher, and washed-out roads can discourage inland travel. However, you can diversify your tour in Cuba in September by visiting cigar factories and museum complexes. Be prepared for the intense heat during this time.