Nantucket in October

July and August bring perfect beach weather, blooming hydrangeas, and shoulder-to-shoulder crowds. Hotel rates peak around $400+ nightly, and restaurant waits stretch past an hour. But the island hums with energy, and every beach day feels perfect. May and September offer the sweet spot – warm enough for swimming (with a wetsuit), fewer crowds, and rates that won't bankrupt you. The cranberry bogs turn crimson in fall, and September sunsets rival anything summer offers. Spring brings daffodil festivals and the island waking up from winter hibernation. October through April sees most restaurants and hotels close, ferries run reduced schedules, and the island population drops to year-round residents. Some find this peaceful; others find it boring. Winter storms create dramatic seascapes but limit outdoor activities to bundled beach walks.