New York City in september: average Weather, Temperature and Climate
Weather in New York City in september 2025
The weather in New York City in the month of september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
67°F
Clear/Sunny
45% of time
22%
17%
8%
Weather at 12pm
77°F
Clear/Sunny
46% of time
23%
18%
8%
Weather at 6pm
72°F
Clear/Sunny
45% of time
20%
19%
10%
Weather at 3am
67°F
45%
18%
17%
8%
Evolution of daily average temperature and precipitation in New York City in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in New York City in september.
The climate of New York City in september is good
The climate throughout September in New York is close to ideal. Temperatures, continuing to fall, favor a pleasant heat throughout the day. As for the bad weather, they also experience a slight decline, which gives visitors in New York the opportunity to enjoy the weather.
First Ten Days of September in New York
The first days of September resemble those of the previous month, except that the mornings and evenings are more and more mild - while the rains are rarer as well in the morning as in the beginning of the evening.
Second Ten Days of September in New York
Morning temperatures continue to fall in the second ten days of September. On certain days, we notice the appearance of morning fogs that dissipate at the same time as the sun joins its peak.
Third Ten Days of September in New York
The temperature in the middle of the day is rising slightly, but as the morning and evening temperatures are still mild, the fog and the overcast sky often dominate the weather in New York throughout September.
Seasonal average climate and temperature of New York City in september
Check below seasonal norms These datas are compiled from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 67°F | ||||
| Highest record temperature | 95°F (2021) | ||||
| Lowest record temperature | 47°F (2013) | ||||
| Number of days at +86°F | 3 day(s) (10%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 71°F | ||||
| Lowest sea temperature | 67°F | ||||
| Highest sea temperature | 74°F | ||||
| Wind | |||||
| Wind speed | 16km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 5.5in | ||||
| Number of days with rainfall | 7 day(s) (23%) | ||||
| Record daily rainfall | 2.6in (2012) | ||||
| Other climate data | |||||
| Humidity | 79% | ||||
| Visibility | 9.32km | ||||
| Cloud cover | 33% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:37 | ||||
| Time of sunset | 18:04 | ||||
| Length of day | 12:27 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in New York City in september 2024:
72°F to 83°F
68°F to 79°F
61°F to 76°F
63°F to 76°F
67°F to 77°F
67°F to 76°F
68°F to 70°F
54°F to 72°F
59°F to 77°F
65°F to 81°F
63°F to 79°F
67°F to 77°F
67°F to 81°F
68°F to 83°F
70°F to 79°F
67°F to 77°F
65°F to 70°F
65°F to 72°F
67°F to 74°F
65°F to 70°F
65°F to 77°F
59°F to 72°F
61°F to 70°F
61°F to 68°F
63°F to 67°F
70°F to 77°F
67°F to 72°F
68°F to 72°F
61°F to 63°F
63°F to 67°F
Map: other cities in the United States (USA) in september
Cities near New York City:
| Brooklyn in september | good weather |
| New Jersey in september | perfect weather |
| Connecticut in september | good weather |
| Philadelphia in september | good weather |
| Atlantic City in september | perfect weather |
| Wildwood in september | good weather |
| Albany in september | good weather |
| Rhode Island in september | perfect weather |
| Baltimore in september | good weather |
| Ocean City (Maryland) in september | good weather |
| Massachusetts in september | perfect weather |
| Maryland in september | good weather |
Click over cities on the map for information about the weather in september.
New York City
perfect weather
good
tolerable
bad
very bad
Weather data for New York City in september:
Weather data for New York City for september are derived from an average of the weather forecast since 2009 in New York City. There is a margin of error and these forecasts are to be considered as general information only. The weather in New York City can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to New York City.