Atlantic County (Atlantic City)
September
Weather in Atlantic County, New Jersey for September 2026
Your guide to Atlantic County weather in September - trends and predictions
High Surf Advisory - See hour by hour.
So far, September 2026 in Atlantic County is slightly warmer than the historical average by 1.4 °F.
The forecast for the next days in Atlantic County predicts temperatures to be around 20 °F, close to the historical average.
In general, the average temperature in Atlantic County at the beginning of September is 24 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °F by the end of September.
Atlantic County in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 281.3 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
14
Dry days
16
Rainy days
0
Snow days
22°/18°
Temperatures
26 km/h
Avg max wind
80 %
Avg humidity
Atlantic County Weather September
Move between months or click on a day
Temperatures trend during September in Atlantic County
See the weather trend as well as the moving average line
September weather in Atlantic County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Light rain shower | 25° /21° | 4.9 mm | 5 | |
| Sept. 2 |  Overcast | 24° /20° | 33.9 mm | 4 | |
| Sept. 3 |  Sunny | 22° /19° | 0.2 mm | 4 | |
| Sept. 4 | Overcast | 24° /19° | 0.1 mm | 6 | |
| Sept. 5 | Patchy rain possible | 25° /21° | 0 mm | 6 | |
| Sept. 6 | Patchy rain possible | 24° /20° | 0.3 mm | 6 | |
| Sept. 7 | Light rain shower | 24° /17° | 20.2 mm | 6 | |
| Sept. 8 | Sunny | 23° /15° | 0 mm | 7 | |
| Sept. 9 | Sunny | 24° /18° | 0.1 mm | 5 | |
| Sept. 10 | Overcast | 25° /20° | 0 mm | 5 | |
| Sept. 11 | Sunny | 24° /19° | 1.5 mm | 5 | |
| Sept. 12 | Sunny | 24° /19° | 0 mm | 6 | |
| Sept. 13 |  Moderate or heavy rain shower | 25° /20° | 7.9 mm | 5 | |
| Sept. 14 |  Partly cloudy | 24° /17° | 0.4 mm | 6 | |
| Sept. 15 | Overcast | 23° /17° | 0 mm | 6 | |
| Sept. 16 | Overcast | 24° /16° | 0 mm | 6 | |
| Sept. 17 | Overcast | 24° /18° | 6.1 mm | 6 | |
| Sept. 18 | Light rain shower | 23° /19° | 7 mm | 5 | |
| Sept. 19 | Sunny | 24° /18° | 5.1 mm | 6 | |
| Sept. 20 | Sunny | 23° /18° | 2.3 mm | 4 | |
| Sept. 21 | Sunny | 22° /17° | 2 mm | 4 | |
| Sept. 22 | Patchy rain possible | 20° /17° | 5.3 mm | 4 | |
| Sept. 23 | Light rain shower | 21° /17° | 22.9 mm | 4 | |
| Sept. 24 | Overcast | 21° /17° | 5.4 mm | 4 | |
| Sept. 25 | Overcast | 21° /17° | 4.1 mm | 4 | |
| Sept. 26 | Light rain shower | 20° /17° | 33.1 mm | 4 | |
| Sept. 27 |  Moderate rain | 16° /13° | 48.5 mm | 0.7 | |
| Sept. 28 | Patchy rain possible | 16° /15° | 2.2 mm | 1.6 | |
| Sept. 29 | Sunny | 23° /13° | 0.1 mm | 4.8 | |
| Sept. 30 |  Mist | 25° /15° | 0.4 mm | 5.5 | |
| Next | |||||
Important Notice
Our weather forecast for Atlantic County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Atlantic County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Atlantic County in September - FAQ
What are the expected maximum and minimum temperatures in Atlantic County during September?
During September, expect a variety of temperatures with highs around 22° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Atlantic County during September?
Significant rainfall exceeding 281.3 mm is expected in Atlantic County during September, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Atlantic County during September?
The average wind speed in Atlantic County during September is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Atlantic County
Explore the daily rainfall trends and prepare for Atlantic Countys September weather 💧
Typically, Atlantic County has 16 rainy days in September with a total of 281.3 mm of rainfall.
UV exposure in Atlantic County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Atlantic County
Select a location for an accurate weather forecast
More Locations Quick links
More Atlantic County weather pages
You are here
Where is Atlantic County?Get accurate weather forecasts for Atlantic County, located at latitude 39.364 and longitude -74.423. Stay updated with localized weather information tailored for Atlantic County.
Found a mistake?
We appreciate your attention to details. Tell us here.