New Jersey in september: average Weather, Temperature and Climate
Weather in New Jersey in september 2025
The weather in New Jersey in september comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
perfect weather UV index: 6
Weather at 6am
67°F
Clear/Sunny
46% of time
28%
13%
7%
Weather at 12pm
76°F
Clear/Sunny
48% of time
27%
16%
9%
Weather at 6pm
70°F
Clear/Sunny
48% of time
25%
13%
12%
Weather at 3am
67°F
42%
20%
16%
10%
Evolution of daily average temperature and precipitation in New Jersey in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in New Jersey in september.
The climate of New Jersey in september is perfect
the weather in New Jersey in september is relatively dry (with 2.8in of rainfall over 4 days). This is better than the previous month since in august it receives an average of 4.2in of rainfall over 7 days.
The climate quite comfortable in that area september. The thermometer averaged maximum of 77°F. The seasonal minimum is 67°F. Thus, the mean temperature average on this month of september in New Jersey is 72°F. Note that seasonal normals in contrast with those observed in New Jersey in the month of september with a maximum record of 95°F in 2021 and a minimum record of 49°F in 2013. You can expect to have about 3 days with temperatures over 86°F, or 10 of time.
On average, in New Jersey, the days of september last 12:27. Sunrise is at 05:39 and sunset is at 18:06.
With good weather conditions, the month of september is recommended to go in this city.
Seasonal average climate and temperature of New Jersey in september
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month 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 | 49°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 | 72°F | ||||
| Lowest sea temperature | 67°F | ||||
| Highest sea temperature | 76°F | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 67°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 2.8in | ||||
| Number of days with rainfall | 4 day(s) (14%) | ||||
| Record daily rainfall | 1.2in (2009) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.34km | ||||
| Cloud cover | 34% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:39 | ||||
| Time of sunset | 18:06 | ||||
| Length of day | 12:27 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | perfect | ||||
How was the weather last september?
Here is the day by day recorded weather in New Jersey in september 2024:
70°F to 81°F
68°F to 79°F
63°F to 72°F
61°F to 74°F
65°F to 76°F
68°F to 74°F
68°F to 74°F
54°F to 72°F
56°F to 77°F
61°F to 79°F
63°F to 76°F
63°F to 76°F
63°F to 77°F
65°F to 77°F
67°F to 76°F
65°F to 74°F
67°F to 70°F
67°F to 70°F
68°F to 70°F
67°F to 68°F
67°F to 76°F
63°F to 72°F
63°F to 68°F
65°F to 68°F
67°F to 68°F
72°F to 79°F
68°F to 70°F
65°F to 68°F
65°F to 67°F
63°F to 65°F
Map: other cities in the United States (USA) in september
Cities near New Jersey:
| Philadelphia in september | good weather |
| Atlantic City in september | perfect weather |
| Brooklyn in september | good weather |
| New York City in september | good weather |
| Wildwood in september | good weather |
| Ocean City (Maryland) in september | good weather |
| Connecticut in september | good weather |
| Baltimore in september | good weather |
| Maryland in september | good weather |
| Washington D. C. in september | good weather |
| Albany in september | good weather |
| Rhode Island in september | perfect weather |
Click over cities on the map for information about the weather in september.
New Jersey
perfect weather
good
tolerable
bad
very bad
Weather data for New Jersey in september:
Weather data for New Jersey for september are derived from an average of the weather forecast since 2009 in New Jersey. There is a margin of error and these forecasts are to be considered as general information only. The weather in New Jersey 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 Jersey.