New York, United States

New York in September

United States Updated 2026-07-01

The humidity breaks around the second week and September turns clear and mild, though a week of UN motorcades can make crossing midtown genuinely slow.

Is September a good time to visit New York?

September is a middling month in New York — crowds around 74/100. Not the worst, but January is noticeably calmer.

What’s on in September

  • US Open finals
  • UN General Assembly — midtown gridlock and closed streets
  • New York Fashion Week

Best days in September

Weekdays are almost always calmer than weekends.

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tue is normally the calmest day of the week.

Best hours in September

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

The 9:00 AM window is usually the calmest of the day.

Weather in September

Typical highs, lows and wet days.

J -3°
F -2°
M 11°
A 17°
M 22° 13°
J 27° 18°
J 29° 21°
A 29° 21°
S 25° 17°
O 18° 11°
N 13°
D
Average high Average low Wet days

How September compares

Every month in New York, ranked by how calm it is.

Quieter alternatives

If your dates are flexible, these months are calmer in New York.

Book things to do

Tours and tickets in New York, from our booking partner.

Affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes a crowd score or the order of our recommendations.

Frequently asked questions

Is September a good month to visit New York?

September is a middling month in New York — crowds around 74/100. Not the worst, but January is noticeably calmer.

How crowded is New York in September?

New York sits at roughly 74/100 in September on our crowd scale, which is 6 points above the yearly average. The quietest month is January.

What is the weather like in New York in September?

Expect highs around 25°C and lows near 17°C in September, with about 8 wet days across the month.

Other months in New York