If planning a trip to New York in September, you’re in for a treat. The weather is just right, it’s usually not too hot, nor too cold. 

It’s a great time to stroll through parks, attend events, and enjoy the city. From cultural festivals and fashion shows to outdoor concerts and iconic sightseeing, September brings a burst of energy and excitement. This guide shares the best things to do, where to go, and how to make your visit unforgettable.

Weather in New York in September 2025

Expect pleasant temperatures during New York weather in September 2025, with daytime highs around 75°F (24°C) and evening lows around 62°F (16°C). 

It may also generally rain, so it’s smart to pack a compact umbrella to be prepared for rainfall. With around 12 hours of daylight, early starts and late strolls both shine.

What to Wear in NYC in September

Layering is key for September in New York. Bring a few t-shirts, a light sweater, and a rainproof jacket. Comfortable shoes are essential for wandering vibrant neighborhoods, preferably booked through a walking tour for a wholesome experience. 

For New York Fashion Week September 2025, add a stylish layer, perhaps a neat collared shirt or dress that blends comfort with elegance.

Major Events & Festivals

New York Fashion Week September 2025

One of the city’s top events, New York Fashion Week September 2025, brings runway shows, pop‑up parties, and street style in SoHo, Chelsea, and Meatpacking District. Even without official tickets, you can spot models, stylists, and photographers—and soak in the festive, fashionable atmosphere.

U.S. Open Tennis (August 24–September 7)

The U.S. Open runs into early September at the USTA Billie Jean King National Tennis Center in Flushing Meadows. It’s a top-tier sports event. You can buy tickets for evening matches or grandstands to catch high-energy action.

Feast of San Gennaro (September 11–21)

Little Italy lights up with pasta, music, and street dining in New York in September. This ten-day cultural festival draws crowds across the city and offers authentic food and live entertainment.

West Indian Day Parade (Labor Day Monday, September 1)

Brooklyn’s Crown Heights hosts this colorful street carnival. Expect costumed dancers, live steel drum performances, and massive crowds, a true community celebration.

One Bite Pizza Festival (September 13)

Pizza lovers unite on Randall’s Island with over 35 top pizzerias, live bands, and a fun, festive, party vibe in the mid-September sun.

Climate Week & Global Citizen Festival (September 21–28)

Late September brings Climate Week NYC with panels and green events across the city. It ends with the Global Citizen Festival in Central Park—a perfect evening out featuring top artists.

Sports & Unique Experiences

2025 Ryder Cup (September 23–28)

Golf fans can head to Bethpage Black Course on Long Island to see a thrilling Europe vs. USA competition. The atmosphere of team golf and patriotic spirit is unforgettable.

Professional Bull Riders (September 18–20)

UBS Arena hosts Maverick Days—an entertaining show with bull riding and team competitions offering a wild contrast to typical NYC events.

Outdoor & Cultural Highlights

Bike Central Park & the Brooklyn Bridge

The mild weather makes it ideal to rent a bike and ride through tree-lined Central Park. A sunset ride over the Brooklyn Bridge is truly magical.

Rooftop Bars & Open-Air Concerts

Midtown to Williamsburg rooftop bars offer city views and cocktails at sunset. Many parks host live jazz or summer concerts under the stars.

Art, Museums & Broadway

New York in September sees new Broadway shows opening. Check out art fairs like The Armory Show at Javits early in the month. Museums and galleries are calm before the autumn crowds.

Free & Affordable Things to Do

• Walk the High Line or explore Brooklyn Bridge Park
  
  
• Visit Williamsburg to enjoy street art and cafes
  
  
• Attend Bryant Park movie nights and public readings
  
  
• Join walking tours, see EE Tours Inc.’s Things to Do in New York for Free guide
  
  
• Picnic in Fort Greene Park or Socrates Sculpture Park

Note: Book a walking tour to find hidden gems. From your knowledgeable tour guide, learn the history and current scene of every popular place you visit, making the tour interactive and fun. This will be one of your best investments and you get back so much more than you invest. 

Eat, Shop & Explore

• Enjoy pizza and street snacks at the One Bite Pizza Festival in New York in September (this annual event is scheduled for September 13, 2025)
  
  
• Dine in Little Italy during San Gennaro for authentic flavors (September 11–21)
  
  
• Shop at Woodbury Commons outlets or boutique stores in SoHo
  
  
• Discover local bakeries, coffee shops, and markets in Greenwich Village

Recommended Reads:

• Best Way to Get Around NYC – tips on subways, buses, and ferries
  
  
• New York Vacation Tips – budget, booking, and travel advice
  
  
• Packing List for NYC – what to bring with you
  
  
• New York in Summer Guide – insights that easily adjust to September visits
  
  
• What Not to Miss in New York – covers landmark highlights and hidden gems
  
  
• New York Sightseeing Places – insider picks on iconic sites and cultural visits
  

Note: The city’s transit system is easy, efficient, and affordable for all, for moving between boroughs and neighborhoods.

Why September Is Ideal

New Yorkers love September because of its mild temperatures and a vibrant lineup of events that bring in a sense of community. The city shifts from summer’s quiet pace to a lively cultural season. Festivals, sports, fashion, and arts all come together, making it perhaps the best month to experience the heart and soul of New York.

Final Thoughts

New York in September strikes the perfect balance of warm days and mild evenings, and offers a full schedule of experiences. 

From major events like Fashion Week, U.S. Open, and Global Citizen Festival to simple pleasures like park walks to enjoying street food, it’s a time when the city comes alive again.

Whether you’re traveling solo, with friends, or family, September offers a blend of culture, comfort, and adventure. Book a walking tour now for an unforgettable and well-planned New York experience.