New York City weather in September
Long-run climate averages for New York City, NY in September, plus what the forecast models say for the days ahead.
In September, New York City averages 77°F by day and 60°F at night. The wettest month is usually March.
September in New York City averages a daytime high of 77°F and an overnight low of 60°F, which reads as warm for this part of the world. Across the whole year New York City sees roughly 55 inches of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live New York City forecast with every model compared and how much they currently agree.
New York City weather by month
what to expect in New York City through the yearHere is New York City's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to New York City by season.