free things to do in New York City
Free events for Sunday, 09/21/25
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Free Events, Free Things to Do in New York City!  Read More

Are you looking for free things to do in New York City (NYC) on September 21, 2025?

9 free events take place on Sunday, September 21 in New York City. Don't miss the opportunities that only New York provides! Exciting, high quality, unique and off the beaten path free events and free things to do take place in New York today, tonight, tomorrow and each day of the year, any time of the day: whether it's a weekday or a weekend, day or night, morning or evening or afternoon, December or July, April or November! These events will take your breath away!

New York City (NYC) never ceases to amaze you with quantity and quality of its free culture and free entertainment. Check out September 21 and see for yourself. Summer or Winter, Spring or Fall! Just click on any day of the calendar above and you'll find most inspiring and entertaining free events to go to and free things to do on each day of September . Don't miss the opportunities that only New York provides!

Some events take place all year long: same day of the week, same time there are there for you to take advantage of. One of the oldest free weekly events in Manhattan is Dixieland Jazz with the Gotham Jazzmen, which happen at noon every Tuesday. Another example of an event that you can attend all year round on weekdays is Federal Reserve Bank Tour, which takes place every week day at 1 pm (but advanced reservations are required). You can take at least 13 free tours every day of the year, except the New Year Day, July 4th, and the Christmas Day. If you are classical music afficionado, you can spend whole day in New York going from one free classical concert to another. If you love theater, then New York gives you an option to attend plays and musicals free of charge, or at deep discount. You just need to have information about it. And we are here to make that information available to you.
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The quality and quantity of
free events,
free things to do
that happen in New York City
every day of the year
is truly amazing.

So don't miss the opportunities
that only New York provides:
stop wondering what to do;
start taking advantage of
free events to go to,
free things to do in NYC
today!

9 free things to do in New York City (NYC) on Sunday, September 21, 2025

All events are free unless otherwise noted.
        

Performance | Musical Sketch Comedy Revue


This Summer Shebang is a 45-minute musical sketch comedy revue packed with parody songs, quirky characters, and big laughs. Performed by a multigenerational cast, this lively show celebrates summer with humor and heart. Catch one or all five performances throughout Manhattan for an unforgettable theatrical experience.
   New York City, NY; NYC
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10:30 am
Free
Performances, September 21, 2025, 09/21/2025, Musical Sketch Comedy Revue

Concert | Brass Ensemble Performs Music for Connection with the River


This concert features a brass ensemble sited at the edge of the Hudson River, . With the Hudson itself as a sounding source, the performance invites listeners to contemplate the musical, political, and environmental histories of human interaction with our rivers. Seating is limited, unreserved, and available on a first-come, first-served basis. If there is heavy rain at the time of the event, the event will be canceled.
   New York City, NY; NYC
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11:00 am
Free
Concerts, September 21, 2025, 09/21/2025, Brass Ensemble Performs Music for Connection with the River

Museums | Family Fun with Maritime History


Every Saturday and Sunday, the Museum hosts free hands-on activities and engagement stations for visitors of all ages. Explore maritime history, New York's origins as a port city, and the Museum's unique collections while enjoying fun, family-friendly programming across locations. Activities change monthly--ask staff for the day's offerings when you check in! Theme of the month: Get inspired by your surroundings! 
   New York City, NY; NYC
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11:00 am
Free
Museumss, September 21, 2025, 09/21/2025, Family Fun with Maritime History

Performance | Musical Sketch Comedy Revue


This Summer Shebang is a 45-minute musical sketch comedy revue packed with parody songs, quirky characters, and big laughs. Performed by a multigenerational cast, this lively show celebrates summer with humor and heart. Catch one or all five performances throughout Manhattan for an unforgettable theatrical experience.
   New York City, NY; NYC
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12:30 pm
Free
Performances, September 21, 2025, 09/21/2025, Musical Sketch Comedy Revue

Concert | Brass Ensemble Performs Music for Connection with the River


This concert features a brass ensemble sited at the edge of the Hudson River, . With the Hudson itself as a sounding source, the performance invites listeners to contemplate the musical, political, and environmental histories of human interaction with our rivers. Seating is limited, unreserved, and available on a first-come, first-served basis. If there is heavy rain at the time of the event, the event will be canceled.
   New York City, NY; NYC
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1:00 pm
Free
Concerts, September 21, 2025, 09/21/2025, Brass Ensemble Performs Music for Connection with the River

Jazz | Let the Music Play in the Park: Local Jazz Artists


Berta Indeed presents “Let the Music Play”, a community jazz concert featuring an array of local musicians and vocalists. Seating is limited, unreserved, and available on a first-come, first-served basis. If there is heavy rain at the time of the event, the event will be canceled.
   New York City, NY; NYC
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2:00 pm
Free
Concerts, September 21, 2025, 09/21/2025, Let the Music Play in the Park: Local Jazz Artists

Classical Music | Music on the Water: String Works of the Baroque Period


Kennedy Center-featured musician Amadi Azikiwe, violin and viola, performs a series of Baroque pieces by J.S. Bach and Heinrich Ignaz Franz Biber Program J.S. Bach (1685-1750) Suite #1 in GM for cello, BWV 1007 J.S. Bach (1685-1750) Partita #3 in EM for violin, BWV 1006 Heinrich Ignaz Franz Biber (1644-1704) Passacaglia, from the Rosary Sonatas J.S. Bach (1685-1750) Suite #5 in cm, BWV 1011
   New York City, NY; NYC
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2:00 pm
Free
Concerts, September 21, 2025, 09/21/2025, Music on the Water: String Works of the Baroque Period

Concert | Balinese Gamelan Meets Contemporary Composition (outside)


Experience the shimmering sounds of Balinese gamelan in a contemporary context. Gamelan Yowana Sari joins guitarists Kyle Miller and Jack Lynch for an outdoor concert featuring works by Michael Gordon, Evan Ziporyn, Vivian Fung, and I Gusde Widnyana. This ensemble of emerging performers and professionals brings new music to life on traditional Balinese instruments.
   New York City, NY; NYC
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3:00 pm
Free
Concerts, September 21, 2025, 09/21/2025, Balinese Gamelan Meets Contemporary Composition (outside)

Museums | Historical and Modern Design Spanning Centuries


The museum is dedicated to showcasing the history, influence, and importance of design in everyday life. Housed in a historic mansion, the museum features a diverse collection of design objects, including decorative arts, architecture, graphic design, textiles, and industrial design.
   New York City, NY; NYC
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5:00 pm
pay-what-you-wish from 5pm...
Museumss, September 21, 2025, 09/21/2025, Historical and Modern Design Spanning Centuries
Complimentary Tickets

to shows, concerts ... (CFT Deals!)

Musical | "A Must See" Musical Directed by Emmy Nominee

Regular Price: $87
CFT Member Price: $0.00
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