Gulf Coast in September

March through May offers perfect weather - highs in the 70s-80s, minimal rain, and lower hotel rates before summer crowds arrive. Azaleas bloom in Mobile, and you can actually get dinner reservations in New Orleans. October and November deliver the Gulf Coast's sweet spot. Water temperatures stay in the 70s, humidity drops, and hurricane season ends. Plus, fall festivals like Pensacola Seafood Festival happen in September. Summer means peak season - expect crowds, $300+ hotel nights, and afternoon thunderstorms that roll in like clockwork around 3 PM. But the water hits 85 degrees, perfect for swimming. Winter brings mild days (60s-70s) but unpredictable cold snaps. New Orleans Mardi Gras runs February-March with hotel rates tripling. Beach towns go quiet - some restaurants close entirely. Avoid June through November for hurricanes, though the Gulf Coast rebuilds quickly. Check weather patterns before booking summer trips.