For most visitors, the best time to go to Sunderland is during the autumn months, particularly from September to October, to experience the vibrant fall foliage.Couples often find this period ideal for a romantic getaway. The Connecticut River Valley, which Sunderland is part of, is renowned for its stunning autumn colours, making it superb for scenic drives along Route 47 or leisurely walks through areas like the Sunderland Caves. The cooler, crisp air also makes outdoor activities more enjoyable.Families might prefer visiting in late spring or early summer, from May to June. The weather is pleasantly warm, and local farms begin to open for fruit picking, which can be a fun activity for children.