September in Maui typically marks the transition from summer to fall. This period offers a unique blend of warm temperatures, diminishing crowds, and lower prices compared to the peak summer months. Expect daytime highs averaging in the mid-80s Fahrenheit (around 29-30 degrees Celsius) with comfortable evenings. Ocean temperatures remain pleasant, ideal for swimming, snorkeling, and other water activities. Rainfall is generally low, though it can vary slightly depending on the specific microclimate and elevation.
Understanding Maui’s climate during this time is advantageous for travelers planning vacations. The pleasant conditions make it an attractive shoulder season, allowing visitors to enjoy outdoor activities and explore the island’s natural beauty without the intensity of summer heat or the potential for increased rainfall later in the fall and winter. Historically, September has been a popular time for families with school-aged children to visit before the start of the academic year. This also contributes to the slightly reduced visitor numbers compared to the summer.