New York City weather in September (New York State, United States of America)

Curious about the September weather in New York City? Check out this comprehensive weather guide.

In New York City the weather in September is generally perfect, with high temperatures and moderate rainfall. Throughout the day, temperatures typically settle at around 25°C. But by evening, they drop to around 18°C.

New York City in September usually receives moderate rainfall, averaging around 97 mm for the month. Typically around 9 days of rainfall is expected.

With around 218 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit New York City. September typically offers the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized New York City climate page with graphs.

 

New York City, monthly averages in September

Min Temperature 18°C  

Max Temperature 25°C  

Water Temperature 20°C  

Chance of Rain 29%  

Precipitation 97 mm  

Rainy days 9 days  

Humidity 68%  

Windspeed 18 km/h  

Sunshine 218 hours  

Percentage Sunshine 59%  

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in New York City in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 20°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in New York City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.