Month-by-month travel weather
New York September weather
New York, United States · September
Days can stay warm, but nights cool down
September eases away from peak summer. Days can still feel warm, but long walks feel easier.
Evenings cool down, and rain can drop comfort quickly—thin layers help.
September averages at a glance
Average low
around 16–20°C
Average high
around 24–28°C
Average precipitation
around 75–120 mm
Rainy days
about 6–10 days
What to wear in September in New York
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Mix of T-shirts and long sleeves + thin outer layer.
- • Carry an evening layer if you stay out late.
- • Umbrella option helps.
Travel tips for visiting New York in September
- • Pack a layer for late hours as sunsets come earlier.
- • Even if the day is warm, rain can change comfort quickly.
September weather in New York — FAQ
Q. Is September a good time to visit?
A. Often yes—warm days with cooler evenings.
Q. Is September still hot?
A. It can be warm, but heat stress often eases compared with July–August.
Explore New York
These pages are connected so you can compare conditions and decide for yourself.