Wilmington
FallPeak season ~79°F highs
Things to do in Wilmington in September
September is one of the best months to visit Wilmington, with average highs around 79°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 Delaware
Wilmington in September: quick answers
Is September a good time to visit Wilmington?
September is one of the best months to visit Wilmington, with average highs around 79°F. Crisp air and changing leaves make parks and viewpoints shine.
What is the weather like in Wilmington in September?
Average daytime highs are around 79°F, compared with 87°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 Wilmington in September?
Top picks for September: Fort Christina National Historic Landmark, Delaware Art Museum, Rodney Square, Delaware Memorial Bridge, Winterthur Museum, Garden and Library.
