Temp
22° C
average
Rain
20 mm
per month
Sun
56 %
chance
Humidity
65 %
average
What’s the weather like in New York in September?
New York in September is characterized by mild temperatures and pleasant weather. It marks the transition from summer to autumn, with cooling temperatures and a gradual decrease in humidity.
Average daily temperatures
The average daily temperature in New York City in September ranges from 17°C (63°F) to 25°C (77°F). The early mornings and evenings tend to be cooler, while the afternoons can still reach pleasant warmth. However, it is advisable to carry a light jacket or sweater for the cooler hours.
Sunshine and rainfall
New York in September experiences an average of 7 hours of sunshine per day, providing ample opportunity to enjoy outdoor activities and explore the city. Despite this, it is also a month with sporadic rainfall. On average, around 86mm of rain falls throughout the month, with occasional showers and thunderstorms.