New York City · September
Run in the morning.
Comfortable average high of 77°F, dipping to 62°F at night. Humidity rises with the sun — morning runs catch the driest, coolest window.
Avg high / low
77° / 62°F
Humidity
74%
Rain days
13/mo
Wind
11 mph
What September feels like in New York City
Sunrise
06:37
Mid-month average
Sunset
19:04
Mid-month average
Time-of-day breakdown
Morning
Coolest, driest air of the day. The window before sunrise is the most reliable comfortable hour.
Midday
Mild but UV and traffic peak. Workable if you don't mind shifting your pace.
Evening
Warm and runnable. Crowded routes but the air's typically calm.
What to wear running in New York City in September
The kit for September in New York City: shorts and a short-sleeve are the standard kit, a water-resistant cap or jacket on standby.
September vs the surrounding months
vs August
-6° avg high
-2 rain days
New York City in August →
September
77°F avg high
13 rain days
Best: morning
vs October
+11° avg high
-1 rain days
New York City in October →
Frequently Asked Questions
What is the best time of day to run in New York City in September?+
Morning. Humidity rises with the sun — morning runs catch the driest, coolest window.
What's the average temperature in New York City in September?+
Average high 77°F, average low 62°F.
How does September compare to surrounding months in New York City?+
Compared to August (avg high 83°F), September is cooler. Compared to October (avg high 66°F), September is warmer.
Does it rain often in New York City in September?+
Expect about 13 measurable rain days in September, on average.