Visiting Maui, Road to Hana or Haleakala? Kaanapali?

Hello! I am full of questions lol. This will be our first trip to Maui. My husband and I will be visiting Maui in the first week of September. We will be coming from spending the first part of the vacation in Oahu. We will be Staying in Kehei for 3nights and the doing road to Hana for 2 days. Is there anything I should know about Labor day? We were thinking about doing the Road to Hana and staying the night in Hana? If we do this what time should we head back to Kahului for the last night before we leave? I get motion sick and I wondered if this is worth doing? Would you do suggest Road to Hana or Haleakala? With recent disasters in Lahaina and Kaanapali would it be worth visiting? We start the week in Kehei. Thank you in advance!