The Labor Day Hurricane of 1935 was the strongest tropical cyclone during the 1935 Atlantic hurricane season. The second tropical cyclone, second hurricane, and second intense hurricane of the season was the most intense Atlantic hurricane that affected the United States, and it remains the first of three Category 5 hurricanes that struck the country. After forming as a weak tropical storm east of the Bahamas on August 29, it slowly proceeded westward, became a hurricane on September 1, and underwent rapid intensification prior to striking the upper Florida Keys on September 2. After landfall at its peak intensity, it continued northwest along the Florida west coast, and it weakened prior to landfall near Cedar Key on September 4.