September brings a noticeable change of pace to New Milford, Connecticut. Summer is still close enough to linger, but the community calendar begins shifting toward fairs, festivals, harvest celebrations and the first signs of fall in the Litchfield Hills.
Among the events kicking off the season is the 2026 New Milford Irish Festival, returning to Harrybrooke Park on Saturday, September 12.
Organized by the Litchfield County Irish American Club, the festival celebrates Irish culture while supporting the organization's broader commitment to community service and charitable giving. The club's official 2026 calendar confirms the September 12 date, while participating cultural organization Andy McGann CCE confirms that the festival will begin at 12:00 p.m. and is free and open to the public.
New Milford Irish Festival 2026: Dates, Times & Details
Event Detail | 2026 Information |
|---|---|
Date | Saturday, September 12, 2026 |
Opening Time | 12:00 p.m. |
Location | Harrybrooke Park & Harden House Museum |
Address | 100 Still River Drive, New Milford, CT 06776 |
Organizer | Litchfield County Irish American Club |
Admission | Free |
Cultural Programming | Irish language, history, music and Celtic crafts are among confirmed cultural-area activities |
Closing Time | Not yet published by the primary organizer |
Parking | Event-specific 2026 parking instructions have not yet been published |
The Litchfield County Irish American Club currently lists the September 12 Irish Festival on its official 2026 event calendar. Harrybrooke Park also identifies September 12 among its 2026 special events, while its official site confirms the venue address as 100 Still River Drive.
An Irish Celebration With a Community Purpose
The organization behind the festival is relatively young, but its mission is firmly rooted in community.
The Litchfield County Irish American Club was established in 2022 with a focus on Irish culture, civic participation, community service and charitable work. The organization hosts events including its Irish Road Bowling Tournament and annual Irish Festival.
According to the Greater New Milford Chamber of Commerce, the nonprofit's events are intended to promote Irish history and culture while raising funds for local causes. The Chamber reports that the organization has donated more than $50,000 to local families in need since its early events began.
That charitable component gives the festival a distinctly local purpose: it is a celebration of Irish heritage, but it is also part of a broader effort to support the Greater New Milford community.
What to Expect at the 2026 New Milford Irish Festival
Irish Music & Cultural Programming
Irish music and cultural programming will be part of the September 12 festival.
One of the participating organizations, Andy McGann CCE, has confirmed that it will coordinate a cultural area featuring exhibits focused on Irish language, history and music, along with Celtic crafts for adults and children.
The organization currently lists a 2:00 p.m. performance and a cultural-area session at 3:30 p.m.
The festival organizer has not yet published a complete 2026 entertainment schedule on its main website, so additional performers or exact stage times should be checked closer to the event.
A Festival Setting at Harrybrooke Park
The setting is part of the appeal.
Harrybrooke Park & Harden House Museum encompasses approximately 18 acres along the Still River, with gardens, trails, pavilions and the historic Harden House. The nonprofit park is open throughout the year and serves as a venue for community gatherings, weddings and seasonal events.
There is also an interesting Irish connection within Harrybrooke's own history. The park states that former owner Frank Harden selected the property partly because the view along the Still River reminded him of the area where he had grown up in northeastern Ireland. Frank and Elizabeth Harden later left the property for the people of New Milford.
For an Irish cultural festival, it makes for a particularly fitting setting.
Food, Vendors & Additional Activities
Festival listings indicate that vendors and additional entertainment have traditionally been part of the event, but the primary organizer has not yet published a complete 2026 vendor, food or activity lineup.
Rather than assume that businesses or offerings from previous years will return, visitors interested in specific food, vendors or activities should check the Irish American Club's current festival announcements as September 12 approaches.
Why Events Like This Matter When Getting to Know New Milford
New Milford is often described through its landscape: the Housatonic River, Candlewood Lake, preserved open spaces, farms and a historic town center anchored by one of Connecticut's most recognizable greens.
The Town itself describes New Milford as the “Gateway to Litchfield County,” highlighting its blend of nature, local farms, country living, parks and a historic New England village.
But local events reveal another part of the community.
The Irish Festival, Apple Festival, concerts on the Green, holiday traditions and nonprofit events create opportunities for residents to gather in shared spaces throughout the year.
For someone considering moving to New Milford or exploring Litchfield County real estate, spending time at one of these events can provide context that property listings alone cannot: how the town uses its parks, how active its local organizations are and how community traditions fit into everyday life.
Visiting New Milford for the Irish Festival
The festival's noon start makes it easy to combine a visit to Harrybrooke Park with some additional time exploring New Milford.
Walk the Historic New Milford Green
New Milford's historic Town Green remains one of the defining features of the community and serves as the setting for concerts, festivals, holiday celebrations and other public gatherings throughout the year.
The surrounding village center offers shops, restaurants and local businesses within a traditional New England streetscape.
The Town's tourism office highlights the Green as a central part of a visit to New Milford and notes that it is among the longest town greens in Connecticut.
Explore Lover's Leap State Park
For visitors who would rather spend part of the day outdoors, Lover's Leap State Park offers another look at New Milford's landscape.
The park is one of several outdoor destinations highlighted by the Town of New Milford and offers access to trails and views around the Housatonic River corridor.
Spend Some Time Along the Housatonic
New Milford's relationship with the Housatonic River is another defining part of the community. The Town promotes kayaking and rowing opportunities along the river, while nearby Candlewood Lake adds additional boating and recreation options to the broader area.
For someone visiting for the festival—and particularly someone getting to know New Milford as a possible place to live—seeing both the village center and its surrounding landscape offers a much fuller perspective on the town.
Explore More Upcoming Events in New Milford This Fall
The Irish Festival is only the beginning of New Milford's fall calendar. Several additional community traditions are already confirmed for later in 2026.
6th Annual New Milford Apple Festival | September 26
Two weeks after the Irish Festival, autumn moves onto the New Milford Town Green with the 6th Annual New Milford Apple Festival on Saturday, September 26, 2026.
The New Milford Historical Society currently lists the festival beginning at 10:00 a.m., and current festival information identifies the event as running from 10:00 a.m. to 5:00 p.m.
The town-organized celebration is expected to include vendors and crafts, apple-themed treats, children's activities, entertainment and the annual apple baking competition. Current information also lists free admission.
For anyone looking for a classic fall day in downtown New Milford, this is one of the stronger dates to mark on the September calendar.
Greater New Milford Chamber 26th Annual Awards Gala | October 2
The Greater New Milford Chamber of Commerce will host its 26th Annual Awards Gala on Friday, October 2, 2026.
The annual event recognizes the Chamber Member Business of the Year and Distinguished Community Member of the Year while supporting the Chamber's programs and community events.
The Chamber notes that its work throughout the year includes scholarships, the town's Fourth of July celebration and the annual Holiday Tree Lighting, among other local initiatives.
Annual Tree Lighting on the Green | November 28
New Milford's fall calendar eventually gives way to one of the town's longest-running holiday traditions.
The Annual Tree Lighting on the Green is confirmed for Saturday, November 28, 2026, from 5:30 to 7:30 p.m. on the New Milford Green.
The Greater New Milford Chamber of Commerce describes the celebration as the evening when the trees lining the Green are illuminated, with Santa also part of the festivities.
The tradition reaches back to 1967, according to New Milford Economic Development, making it a longstanding part of the town's transition into the holiday season.
What About Sullivan Farm's Fall Festival?
Sullivan Farm has a documented history of hosting family fall festival programming, and older town records describe activities such as hayrides, children's crafts and harvest-focused events.
However, a current official 2026 Sullivan Farm Fall Festival date has not yet been located.
For that reason, we are not publishing a 2026 date or presenting the event as confirmed. If a current Sullivan Farm fall event is announced later in the season, it would be worth adding to the calendar.
Before You Go
The 2026 New Milford Irish Festival takes place Saturday, September 12 at Harrybrooke Park & Harden House Museum, 100 Still River Drive, New Milford, Connecticut.
The festival begins at 12:00 p.m., and current participating-organizer information confirms that it is free and open to the public.
At the time of publication, the Litchfield County Irish American Club has not yet published a complete 2026 festival schedule, official closing time, full food and vendor list, or event-specific parking instructions on its primary website. The organizer currently identifies the September 12 festival as “Coming Soon,” so additional information may be released as the event approaches.
Schedules, event details and weather-related plans can change. Visitors planning around a particular activity, performance or attraction should check directly with the event organizer before leaving home.
Official Litchfield County Irish American Club website
Harrybrooke Park event information
New Milford Irish Festival 2026 FAQ
When Is the New Milford Irish Festival in 2026?
The New Milford Irish Festival is Saturday, September 12, 2026. The date is confirmed by the Litchfield County Irish American Club and Harrybrooke Park.
Where Is the New Milford Irish Festival?
The festival takes place at Harrybrooke Park & Harden House Museum, 100 Still River Drive, New Milford, CT 06776.
What Time Does the New Milford Irish Festival Start?
The festival begins at 12:00 p.m. A current official closing time has not yet been published.
Is the New Milford Irish Festival Free?
Yes. Current 2026 information from a participating cultural organization describes the festival as free and open to all.
Will There Be Irish Music and Cultural Activities?
Yes. Confirmed cultural programming includes exhibits focused on Irish language, history and music, Celtic crafts and scheduled musical programming.
Where Do You Park for the New Milford Irish Festival?
A festival-specific 2026 parking plan has not yet been published by the primary organizer. Visitors should check the Irish American Club and Harrybrooke Park sites for updated instructions before attending.
Who Organizes the New Milford Irish Festival?
The festival is organized by the Litchfield County Irish American Club, a New Milford-based nonprofit established in 2022 to promote Irish culture, community service and charitable work.
Exploring Life & Real Estate in New Milford, Connecticut
For residents, events like the New Milford Irish Festival become familiar dates on the community calendar. For someone considering a move to New Milford or Litchfield County, they can also offer something more difficult to understand through an online home search: the chance to see how the community actually gathers.
New Milford combines a historic village center with rural landscapes, neighborhoods, farms, river access, Candlewood Lake recreation and convenient connections south toward Greater Danbury and Fairfield County.
If you're attending the Irish Festival this year, what are you looking forward to most—Irish music, cultural exhibits, the setting at Harrybrooke Park or simply spending the afternoon with the community? Share your favorite festival tradition or New Milford recommendation in the comments.
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