New York City Weather In September

Nick Leason

-Oct 18, 2025

September in New York City offers a delightful transition from summer’s heat to the crisp days of autumn. The weather typically features comfortable temperatures, fewer crowds than the peak summer months, and a vibrant atmosphere as the city comes alive with cultural events.

Key Takeaways

September in NYC offers pleasant weather, transitioning from summer warmth to autumn coolness.
Average temperatures range from the low 70s to the mid-70s Fahrenheit during the day.
Expect fewer crowds and a vibrant atmosphere with numerous events and festivals.
Pack layers, as temperatures can fluctuate from warm days to cooler evenings.
It’s an excellent time to visit iconic attractions and enjoy outdoor activities.

Introduction

Visiting New York City in September is a smart move for many travelers. You'll find a sweet spot of pleasant weather, fewer crowds than July and August, and a city buzzing with activity as it shakes off the summer heat. This guide provides an in-depth look at what to expect from the weather, what to wear, and how to make the most of your September visit. From average temperatures and rainfall to the best events and activities, we've got you covered. — IAH Airport Weather: Current Conditions & Forecast

What & Why

What is the Weather Like in New York City in September?

September in New York City is characterized by a gradual shift from summer to autumn. The first half of the month often feels like an extension of summer, with warm temperatures and plenty of sunshine. As the month progresses, the weather cools down, bringing in the crisp, refreshing air of fall. Expect sunny days, comfortable temperatures, and cooler evenings. Here's a more detailed breakdown:

Temperature: Average daytime temperatures range from the low to mid-70s Fahrenheit (around 22-24 Celsius). The beginning of the month can see highs in the upper 70s or even low 80s (25-28 Celsius), while the end of September usually experiences temperatures in the 60s and 70s (15-21 Celsius).
Sunshine: New York City enjoys plenty of sunshine in September. You can expect an average of 7-8 hours of sunshine per day, perfect for exploring the city's many outdoor attractions.
Rainfall: Rainfall is moderate in September, with an average of around 3-4 inches (76-102 mm) of precipitation throughout the month. While you might encounter some rainy days, they usually don't last long, and the city quickly returns to its sunny best.
Humidity: The humidity starts to decrease as the month progresses. The air is less sticky than in the summer months, making the weather more comfortable.

Why Visit New York City in September?

September offers several advantages for visitors to New York City: — Indiana Beer Law: Drink On-Site Or Take Away?

Pleasant Weather: The comfortable temperatures and abundant sunshine make it ideal for outdoor activities, from strolling through Central Park to exploring the city's many neighborhoods.
Fewer Crowds: Compared to the peak summer months, September sees fewer tourists, making it easier to navigate popular attractions, secure reservations at restaurants, and find accommodation.
Cultural Events: September is a month packed with cultural events, including Fashion Week, the US Open, and various festivals and concerts, offering a vibrant atmosphere.
Fall Foliage: As the month progresses, you'll begin to see the first hints of fall foliage in the city's parks and surrounding areas, adding a beautiful backdrop to your visit.
Great Deals: You might find better deals on flights and accommodation compared to the peak summer season, making your trip more affordable.

How-To / Steps / Framework Application

Preparing for Your Trip

Check the Forecast: Before your trip, check the weather forecast for the specific dates of your visit. Websites like AccuWeather, The Weather Channel, and local news stations provide reliable forecasts.
Pack Appropriately: Pack a mix of clothing to accommodate the changing weather. Include both warm-weather and cooler-weather items.
Book in Advance: Although crowds are fewer than in summer, it's still a popular time to visit. Book your flights, accommodation, and any special events or tours in advance.
Plan Outdoor Activities: Plan for outdoor activities like walking tours, picnics in the park, and exploring the city's green spaces. The weather is perfect for enjoying the outdoors.
Consider a CityPASS: If you plan to visit multiple attractions, consider purchasing a CityPASS to save money on admission fees.

What to Pack for September Weather

Layers: Pack layers of clothing so you can adjust to changing temperatures throughout the day. This includes t-shirts, long-sleeved shirts, sweaters, and a light jacket or coat.
Comfortable Shoes: You'll be doing a lot of walking, so comfortable walking shoes are essential. Consider packing a pair of sneakers or walking shoes and a more stylish pair for evenings.
Jeans/Pants: Pack a pair or two of jeans or versatile pants that can be dressed up or down.
Shorts/Skirts: Bring shorts or skirts for the warmer days, especially in the first half of the month.
Rain Gear: Pack a light, packable rain jacket or umbrella in case of unexpected showers.
Accessories: Don't forget accessories like sunglasses, a hat, and a scarf for cooler evenings.

Examples & Use Cases

Ideal Activities for September

Central Park: Spend a day exploring Central Park. Enjoy a picnic, rent a bike, or simply stroll through the park to admire the changing leaves.
Walking Tours: Take advantage of the pleasant weather and join a walking tour to discover different neighborhoods like Greenwich Village, SoHo, and the Financial District.
Rooftop Bars: Visit a rooftop bar for a drink with a view. Many bars offer stunning city views and are perfect for enjoying the evening weather.
Museums: Visit world-class museums like the Metropolitan Museum of Art, the Museum of Modern Art (MoMA), or the American Museum of Natural History.
Broadway Shows: Catch a Broadway show. September marks the beginning of the new theater season, and tickets are often easier to get than during the peak holiday season.
US Open: If you're a tennis fan, attend the US Open, held in late August and early September at the USTA Billie Jean King National Tennis Center in Queens.
Fashion Week: Experience the buzz of New York Fashion Week (usually in early September) with fashion shows, events, and street style sightings.

Best Practices & Common Mistakes

Best Practices

Stay Hydrated: Drink plenty of water, especially during warm days, to stay hydrated.
Use Public Transportation: Utilize the city's extensive public transportation system, including the subway and buses, to get around efficiently.
Book Restaurants in Advance: Make reservations at popular restaurants, especially for dinner, to avoid long wait times.
Be Prepared for Crowds: While fewer than summer, popular attractions will still have crowds, so plan accordingly.
Take Advantage of Outdoor Dining: Enjoy the city's many outdoor dining options while the weather is pleasant.

Common Mistakes

Underpacking: Not packing appropriate layers of clothing. The weather can change quickly.
Overspending: NYC can be expensive. Plan your budget in advance and look for free or affordable activities.
Ignoring the Forecast: Not checking the weather forecast before heading out for the day.
Wearing Uncomfortable Shoes: Walking in uncomfortable shoes will ruin your day.
Missing Out on Events: Not researching and attending the city's many events and festivals.

FAQs

What is the average temperature in New York City in September? The average daytime temperature ranges from the low to mid-70s Fahrenheit (around 22-24 Celsius). The beginning of the month can be warmer, while the end of the month is cooler.
Does it rain a lot in September in New York City? Rainfall is moderate, with an average of 3-4 inches (76-102 mm) of precipitation throughout the month. You can expect some rainy days, but they usually don't last long.
What should I wear in New York City in September? Pack layers, including t-shirts, long-sleeved shirts, sweaters, a light jacket, jeans, comfortable walking shoes, and rain gear.
Are there many tourists in New York City in September? While fewer than in the peak summer months, September is still a popular time to visit, so expect moderate crowds, especially at popular attractions.
Are there any events or festivals in New York City in September? Yes, September is a busy month for events, including Fashion Week, the US Open, and various concerts and festivals. Check local listings for specific dates and events.
Is September a good time to visit New York City? Absolutely! September offers pleasant weather, fewer crowds than summer, and a vibrant atmosphere with numerous events. It is a fantastic time to visit.

Conclusion with CTA

September in New York City offers a fantastic travel experience. With its pleasant weather, vibrant cultural scene, and fewer crowds than the summer months, it's an ideal time to explore the city. Start planning your trip today, pack accordingly, and prepare for a memorable adventure! For more travel tips and insights, be sure to explore our other guides and articles. — Mariners Score Today: Game Results & Updates

Last updated: October 26, 2023, 14:30 UTC