10 am – 5 pm Maker Faire Long Island 2025 Ages: 5 and upArt Attractions Stony Brook University Activities CenterStony Brook
10 am – noon Adventure Course Free Public Sunday Program Ages: AllFree Outdoors Alley Pond Adventure CourseOakland Gardens
10 am – 5 pm The Hicksville Chamber of Commerce 22nd Annual Hicksville Street Fair Ages: AllCommunity Festivals Nelson Avenue alongside Newbridge RoadHicksville
10 am – 4 pm Back-to-School Bash at the Hastings Flea Ages: AllCommunity Free Hastings-on-Hudson Metro-North Commuter LotHastings
10 am – 2 pm 72nd Annual St. John’s Church County Fair Ages: AllAttractions Festivals St John’s of LattingtownLocust Valley
10 – 11 am RALLY DAY for Old Whalers’ Church Sunday School on Sunday, September 14th! Ages: 3 and upClasses Community Old Whalers’ ChurchSag Harbor
10 am – 5 pm Hicks Nurseries 50th Annual Fall Festival Ages: AllFestivals Free Hicks NurseriesWestbury
10:30 am – noon A Sweet and Happy New Year Celebration Ages: 12 and underFree Holiday Merrick Jewish CentreMerrick
11 am – 4 pm Legendary Crafts Ages: AllArt Attractions The Whaling Museum & Education CenterCold Spring Harbor
11 am – 4 pm Jolly Roger Scavenger Hunt Ages: 3 and upAttractions Free The Whaling Museum & Education CenterCold Spring Harbor
11 am – 5 pm Taste of Korea: Korean Cultural Festival Ages: AllFestivals Food & Drink Lincoln ave btwn 135th & 137th stBronx
11 am – 3 pm Immersive Butterfly Experience Ages: AllAnimals Attractions Queens County Farm MuseumFloral Park
11 am – 2:30 pm Mental Health Program at Sag Harbor Cinema – Adolescent Anxiety & Social Media Ages: 13 and upCommunity Film Sag Harbor CinemaSag Harbor
11 am – 7 pm City Island’s 2025 Fall Arts and Crafts Fair Ages: AllArt Festivals City Island AvenueThe Bronx
11:30 am – 4 pm “Hike the Hudson” Backpack Activity Ages: 5 – 8Attractions Free Hudson River MuseumYonkers
Noon – 4 pm Family Science Workshop: Summer Thunder Ages: 5 – 8Environment Hudson River MuseumYonkers
Sept. 16, 6 pm Character Spotlight Series featuring Phineas and Ferb! Haverstraw King’s Daughters Public Library, Main Branch
AMNY Sunday in NYC Mayor’s Race: Candidates talk economy, free buses, housing and Holocaust education during visits