How Crowded Is Weir Farm in September?
Busy1.4× average month · best-time score 29/100
September is a busy month at Weir Farm National Historical Park, running about 1.4× the park's average month — roughly 12% of the year's visitors come in September. That puts it between the August peak and the February low. Overall our best-time score rates September as "Poor" for a visit. You'll get about 12.3 hours of daylight to explore.
Frequently Asked Questions
September is busy at Weir Farm National Historical Park (about 1.4× the average month). Our best-time score rates it "Poor". The single best month overall is February.
The busiest month is August and the quietest is February. September sits at about 1.4× the park's average, or 12% of annual visitation.
Source: National Park Service Visitor Use Statistics (1993–2025). Updated 2026-06-20.