Thompson
FallPeak season ~73°F highs
Things to do in Thompson in September
September is one of the best months to visit Thompson, with average highs around 73°F. Crisp air and changing leaves make parks and viewpoints shine.
Best picks for September
What's famous here, weighted toward what shines in September.
Holidays in September 2027
- Labour Day · Mon, Sep 6
Expect busier roads and pricier stays around these dates. See long weekends.
Also great in September in Connecticut
Thompson in September: quick answers
Is September a good time to visit Thompson?
September is one of the best months to visit Thompson, with average highs around 73°F. Crisp air and changing leaves make parks and viewpoints shine.
What is the weather like in Thompson in September?
Average daytime highs are around 73°F, compared with 82°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Thompson in September?
Top picks for September: Bigelow Hollow State Park, Natchaug State Forest, Nipmuck State Forest, James L. Goodwin State Forest, Mansfield Hollow State Park.
