Boston September 2025
September is a fantastic time to visit Boston, offering pleasant weather and a variety of activities as the city transitions into fall. The crowds from the peak summer season start to thin out, but the atmosphere remains lively with students returning to the city. Weather and What to Pack 👕 The weather in Boston during September is generally mild and comfortable. You can expect warm, sunny days in the low to mid-70s°F and cooler evenings dropping into the 50s°F. This makes it an ideal time for walking and exploring without the intense heat of summer. Packing Tip: Dress in layers. A light jacket or sweater is a must for the cooler mornings and nights. Pack comfortable walking shoes, as many of Boston's attractions are best explored on foot. An umbrella or a light rain jacket is also a good idea for the occasional shower. Top Things to Do 🚶♀️ September is an excellent time to experience some of Boston's most iconic attractions. Walk the Freedom Trail: ...