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New York Weather in September, USA

Slide and Tap Other Months

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month


  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

  • What is Average Day Temperature?
    The average temperature recorded between sunrise and sunset

    Day Temperature

  • What is Average Night Temperature?
    The average temperature recorded between sunset and sunrise

    Night Temperature

  • What is Average Sea Temperature?
    Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface

    Sea Temperature

  • What are Average Daily Sunshine Hours?
    Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

    Sunshine Hours

    9 hours
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    10 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years


    104 mm

September, 2024

1 Avg 25º 77º
2 Avg 23º 73º
3 Avg 24º 75º
4 Avg 25º 77º
5 Avg 24º 75º
6 Avg 23º 73º
7 Avg 22º 72º
8 Avg 24º 75º
9 Avg 21º 70º
10 Avg 20º 68º
11 Avg 22º 72º
12 Avg 23º 73º
13 Avg 22º 72º
14 Avg 21º 70º
15 Avg 21º 70º
16 Avg 21º 70º
17 Avg 22º 72º
18 Avg 22º 72º
19 Avg 21º 70º
20 Avg 21º 70º
21 Avg 22º 72º
22 Avg 21º 70º
23 Avg 20º 68º
24 Avg 20º 68º
25 Avg 21º 70º
26 Avg 20º 68º
27 Avg 20º 68º
28 Avg 20º 68º
29 Avg 19º 66º
30 Avg 18º 64º
Avg Historical Daily Average

What's the Weather like in New York in September


The weather continues to cool down in New YorkUSA in September, when the autumn season is just beginning.

At this time of year, the average temperature for the city starts off at 21°C, created by highs of 25°C during the daytime and lows of 17°C after dark, and drops down to 16°C, created by highs of 20°C during the daytime and lows of 12°C after dark, making the first week of September the best time to visit if you want to go to New York when temperatures are at their highest.

Compared to October, which has an average temperature of around 16°C.

Although it only happens on an average of 10% of days, temperatures can sometimes rise above 29°C and drop below 7°C in New York in September. The highest temperature that has ever been recorded in the city during this month is 34°C, whilst the coldest temperature ever registered here at this time of year is 6°C.


Over the course of an average September, New York receives 104mm/4 inches of rainfall divided between ten rainy days that's an increase compared to August.

With rainfall occurring on around 1/3 of days across this month, chances are good that you'll experience a shower or two during your holiday, so be prepared and take an umbrella with you.

The likelihood of rainfall making an appearance in New York in September stays constant throughout the month, beginning at 38% on September 5th, dropping down to 37% by September 17th and rising up to 38% by September 30th.

The most common forms of precipitation you can expect to see in the city at this time of year are light rain (which happens on 50% of days with rainfall), moderate rain (25%), heavy rain (11%) and thunderstorms (9%).

Sunshine Hours 

Throughout the month, New York boasts nine hours of daily sunshine that's one hour less each day than the previous month alongside median cloud coverage which fluctuates between 72% (partly cloudy) at the beginning of the month and 69% (partly cloudy) by the end. On an average day, the sky is clear/mostly clear 32% of the time, partly cloudy 14% and mostly cloudy/overcast 46% of the time.


The relative humidity for New York in September fluctuates between 55% (mildly humid) and 91% (very humid), rarely falling below 35% (comfortable) or reaching as high as 100% (very humid).

The air is usually at its driest around September 1st, when the relative humidity falls below 65% (mildly humid) three days out of four, whilst it is at its most humid around September 23rd, when it rises above 85% (very humid) three days out of four.


During September, the typical wind speeds for New York range between 0 m/s (calm) and 6 m/s (moderate breeze), rarely rising above 9 m/s (fresh breeze).

The highest average wind speed of 3 m/s (light breeze) happens around September 30th, when the average daily maximum wind speed is 6 m/s (moderate breeze), whilst the lowest average wind speed of 3 m/s occurs around September 1st, when the average daily maximum is 5 m/s (moderate breeze).

Dress Code

Since temperatures are beginning to get quite chilly in New York in September, this month is best reserved for holidaymakers who want to spend their trip sightseeing but don't enjoy high temperatures.

If you plan on visiting New York during this month, you'll need to take a mixture of cool clothing, such as t-shirts and thin jumpers, to keep you comfortable during the daytime, as well as warmer clothing, like jackets and jeans, to make sure you're comfortable on an evening.

On the other hand, if you love high temperatures and want to visit New York when it's at its warmest, forget about September and plan your holiday for July instead, which is usually the hottest month of the year for the city.

You can check the forecast here.

New York Hotels in September

Row NYC Hotel

Row NYC Hotel is perfect for holidaymakers who want to be in the middle of all the action. Situated in Times Square in the heart of Manhattan within easy access of countless coffee shops, bars, restaurants, nightclubs, shops, museums and art galleries, this urban hotel is adorned with wood, glass and stainless steel, giving in a stylish, chic look.

Accommodation is provided in the form of standard, superior, premium city view and deluxe city view rooms, as well as executive and penthouse suites.

Each of the rooms offers free WiFi access, iPod docking station, LCD TV with cable, climate control and private bathroom with complimentary toiletries, whilst the suites offer all this plus more space, an extra TV and a sofa bed which can sleep up to two people.

Onsite you'll find District M which is a European-style café during the day and Neapolitan pizza bar/cocktail lounge by night, with many more places to dine in the local area.

Hilton Garden Inn Times Square

Hilton Garden Inn Times Square is also located in a prime Times Square location, surrounded by Broadway's theatres, the Rockerfeller Centre, Central Park and some of the best shopping and dining opportunities in the city.

Recently renovated in 2013, this hotel consistently ranks in TripAdvisor's top 20 hotels in New York City and provides guests with 369 spacious guestrooms, each of which comes with contemporary décor, HDTV, free WiFi access, mini fridge and Keurig coffee machine. Accessible rooms with wheelchair-accessible bathrooms, lowered peep holes, Braille signs and grab bars are also available.

Within the hotel you'll find 24-hour business centre, 24-hour Pavillion Pantry Market, fitness centre, gift shop and Pigalle the onsite international restaurant open for breakfast, brunch, lunch and dinner.

Comfort Inn Midtown West

For something more affordable, Comfort Inn Midtown West is a great choice. Situated in Hell's Kitchen, this hotel is just minutes away from Times Square, the theatre district, Empire State Building, Central Park, Fifth Avenue and the Rockerfeller Centre where you'll find loads of bars, cafes, restaurants, theatres, nightclubs, shops, museums and art galleries.

Here guests can choose between double and twin rooms with single, king- or queen-sized beds. Each of the guestrooms comes complete with free high-speed WiFi access, flat-screen cable TV and coffee making facilities.

A complimentary daily breakfast with hot eggs and meat, yogurt, fresh fruit, cereal and hot waffles is also available. Although the facilities at this hotel are limited, this is reflected in the cheap rates and there are plenty of entertainment and dining opportunities in the immediate area.

Chelsea Lodge

If you prefer to stay in small, intimate hotels, take a look at the Chelsea Lodge. Situated in the centre of the historic Chelsea district of New York City, this European-style hotel is comprised of only 22 guestrooms, making it perfect for those who want a quiet holiday.

Accommodation comes in the form of lodge rooms and suites, each of which features a country American style, with basic facilities, including TV, air conditioning, heating, shower and sink the full bathroom is shared. Suites include a larger bed, sofa bed, private bathroom, free local calls, cable TV and kitchenette.

There are no services or facilities available onsite, but the hotel is located close to public transport networks, restaurants, bars, art galleries and tourist attractions.

Bars and Restaurants

Del Frisco's Double Eagle Steakhouse

Hungry carnivores won't want to pass up the chance to dine at Del Frisco's Double Eagle Steakhouse. Open Monday to Friday 11am-midnight, Saturdays 5pm-midnight and Sundays 5pm-10pm, this three-storey restaurant boasts floor-to-ceiling windows with panoramic views of the city.

The menu features filet mignon, prime strip, ribeye and porterhouse steaks, as well as veal and lamb. There is also a wide selection of fish, seafood, caviar, salads and gluten-free options available for those not big on hearty chunks of meat. The drinks menu is extensive and features more than 1,200 wines and a small selection of cocktails.

The Halal Guys

For something a bit more casual, try The Halal Guys. This street food cart is located on the corner of 53rd Street and 6th Avenue and is open Sunday to Thursday 7pm-4am and Friday to Saturday from 7pm to 5pm.

The Halal Guys is primarily known for its platter which is made up of a generous serving of gyro bread, chicken, lamb, rice, salad and a secret white sauce. This one dish is so tasty and popular it's all they serve! Considering the high quality of the food and the low prices, the Halal Guys is one of the best value-for-money eateries in New York.

Russ & Daughters

When it comes to top quality smoked fish and caviar, you can't beat Russ & Daughters. This casual café-style restaurant serves up a wide assortment of caviars, smoked and cured salmon, speciality smoked fish and herring alongside speciality cream cheese, salads, bagels and dried fruit, as well as a huge selection of sweets, chocolates and baked goods.

If you really enjoy your meal, Russ & Daughters will ship their basic ingredients anywhere in the world, so you can still enjoy a taste of New York when you get home.

Things to do in New York in September

Morgan Library and Museum

The Morgan Library and Museum is a series of buildings originally founded to house manuscripts, printed books, prints and drawings owned by JP Morgan in 1906.

The library-museum was made public in 1924 and today holds a much more expansive collection which includes Medieval and Renaissance manuscripts, literary and historical manuscripts, printed music, ancient seals and tablets, paintings, art objects, drawings, bindings and prints.

You can explore the museum of your own accord or follow a free self-guided audio tour which is given out on arrival and highlights the history and architecture of the building, as well as the permanent collections.

Guided group tours of the museum are also available if you book in advance. The Morgan Library and Museum is open Tuesday to Thursday 10.30am-5pm, Friday 10.30am-9pm, Saturday 10am-6pm and Sunday 11am-6pm.

Ground Zero Catholic Memorial

One of the lesser-known 9/11 memorials in the city, the Ground Zero Catholic Memorial features four memorial statues dedicated to some of the groups affected by the events of that day St Joseph: the patron of construction workers, St Florian: the patron of fire fighters, St Michael the Archangel: the patron of police and St Mary Magdalene: first witness to the resurrection.

The four statues are located along the eastern wall of St Joseph's Chapel, which is the closest wall to Ground Zero. Even if you're not religious, many travellers find this Catholic memorial very moving and worthy of a visit.

Rubin Museum of Art

Open 11am-5pm Mondays and Thursdays, 11am-6pm Saturdays and Sundays, 11am-9pm Wednesdays and 11am-10pm Fridays, the Rubin Museum of Art is dedicated to the preservation, collection and display of art from the Himalayas and surrounding areas, with a particular focus on Tibetan art.

In addition to the vast array of permanent exhibitions, temporary displays are also prominent in the museum during September 2015, "the Gateway to Himalayan Art and the Tibetan Buddhist Shrine Room" will be on display.

All visitors are provided with a free audio guide upon arrival but there are also free daily tours: the highlights tour at 3pm and the exhibition tours at 1pm and 4pm.

The museum is also home to the Café Serai during the day which offers traditional Himalayan food and the K2 Lounge at night which offers DJ sets and alcoholic drinks.