New York weather
in September
“Mild and bright — an underrated time to visit.”
Roughly 10 rainy days across the month, on average.
In september, New York settles into its kind, mild rhythm. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 25°C (77°F), cooling to 17°C after sunset. Expect meaningful rain — some 10 wet days across the month. Pack accordingly and let the weather choose your afternoons. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for New York in September
- •A light layer for cool mornings and evenings
- •A compact travel umbrella — one you'll actually carry
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for New York in September
- →Breathable travel pantsAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
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Where to stay in New York
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New York in September — FAQ
Q01Is September a good time to visit New York?
Is September a good time to visit New York?
It is a fair time to visit — expect variable conditions and plan flexibility. In September, New York averages a high of 25°C (77°F) and a low of 17°C (62°F), with 120mm of rainfall across roughly 10 rainy days.
Q02What is the average temperature in New York in September?
What is the average temperature in New York in September?
The average high temperature in New York during September is 25°C (77°F), with an average low of 17°C (62°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does New York have in September?
How many rainy days does New York have in September?
New York averages approximately 10 rainy days in September, with a total monthly rainfall of about 120mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for New York in September?
What should I pack for New York in September?
For New York in September, pack layered clothing for changing temperatures, a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is New York in September?
How crowded is New York in September?
Tourist crowds in New York during September are typically moderate — shoulder season, a sweet spot between crowds and weather. Consider this when planning accommodation — prices track crowd levels closely.