To the dismay of many, Labor Day weekend has arrived, and for Hamptoners it officially marks the end of summer. White, beachy apparel, nautical stripes, and floral bohemian dresses will be stored away for next-summer use, or likely for the holiday season when St. Barth’s, the Bahamas, and Palm Beach seem better suited for weekend tans and holiday getaways than the windy, white winters on the East End.