Bar Harbor in September

Average Temperature: 21°C

Traveling to Bar Harbor, Maine in September is a wonderful choice if you enjoy a mix of serene coastal beauty and vibrant small-town charm. The summer crowds begin to ease, which means you can explore the quaint shops, local eateries, and scenic spots without feeling overwhelmed. September also marks the start of the fall foliage season, so you get to witness the stunning transformation of the landscape with colorful leaves adding a warm, picturesque vibe to the rocky coastline and hiking trails. Outdoor activities like kayaking, whale watching, and biking feel especially pleasant with the crisp, fresh air that September brings.

That said, the weather can be a bit unpredictable, swinging between sunny days and occasional showers, so packing a light rain jacket and layers is a smart move. While the ocean water might be too chilly for swimming, the cooler temps make hiking in Acadia National Park much more enjoyable than the hotter summer months. Plus, local events and farmers' markets still have a lively energy, offering a taste of Maine’s seasonal flavors and culture. Overall, September in Bar Harbor is great for those who want to experience the natural beauty and laid-back vibe without the peak season hustle.

Average Monthly Temperatures

21°C
Average High
12°C
Average Low
September

Cost Index

Cost Index
$$

Bar Harbor, Maine is generally considered a moderately priced travel destination. While it offers beautiful natural scenery and outdoor activities that are often low-cost or free, accommodation and dining options can be somewhat expensive, especially during peak tourist seasons. The town has a range of mid-priced hotels, inns, and restaurants, balancing cost and quality. Transportation costs are moderate, with most visitors arriving by car or ferry. Overall, the combination of seasonal pricing and the availability of budget to mid-range options places Bar Harbor at a moderate travel cost level, represented by the $$ index.

Location

Bar Harbor is located at coordinates 44.39° latitude, -68.20° longitude.

Weather Summary

September is warm in Bar Harbor with average temperatures of 21°C.