Atlantic City
September
Weather in Atlantic City for September 2025
Your guide to Atlantic City weather in September - trends and predictions
In general, the average temperature in Atlantic City at the beginning of September is 22.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 19.7 °F by the end of September.
Expect significant rainfall in Atlantic City during September, with an average of 16 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
14
Dry days
16
Rainy days
0
Snow days
22°/17°
Temperatures
29 km/h
Avg max wind
74 %
Avg humidity
Atlantic City in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  24° | 3  20° | 4 21° | 5 22° | 6 22° | 7 23° |
| 8 21° | 9 23° | 10 25° | 11 22° | 12  24° | 13  24° | 14  24° |
| 15 22° | 16 25° | 17 23° | 18 21° | 19 23° | 20 22° | 21 23° |
| 22 20° | 23 21° | 24 20° | 25 20° | 26 20° | 27 19° | 28 20° |
| 29 20° | 30 19° |
You can click on date
Access Atlantic City weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Atlantic City
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Light rain shower | 25° /21° | 13 mm | 6 | |
| Sept. 2 | Overcast | 24° /19° | 0.4 mm | 5 | |
| Sept. 3 | Sunny | 20° /17° | 0 mm | 6 | |
| Sept. 4 | Overcast | 21° /18° | 0 mm | 5 | |
| Sept. 5 | Patchy rain possible | 22° /19° | 0.1 mm | 5 | |
| Sept. 6 | Patchy rain possible | 22° /20° | 0.9 mm | 5 | |
| Sept. 7 | Light rain shower | 23° /16° | 7.2 mm | 5 | |
| Sept. 8 | Sunny | 21° /13° | 0 mm | 6 | |
| Sept. 9 | Sunny | 23° /14° | 0 mm | 6 | |
| Sept. 10 | Sunny | 25° /17° | 0 mm | 7 | |
| Sept. 11 | Sunny | 22° /18° | 0 mm | 6 | |
| Sept. 12 | Fog | 24° /20° | 0 mm | 6 | |
| Sept. 13 | Moderate or heavy rain shower | 24° /20° | 5.3 mm | 6 | |
| Sept. 14 | Partly cloudy | 24° /18° | 0.5 mm | 7 | |
| Sept. 15 | Overcast | 22° /18° | 0 mm | 6 | |
| Sept. 16 | Sunny | 25° /17° | 0 mm | 6 | |
| Sept. 17 | Light rain shower | 23° /18° | 3 mm | 5 | |
| Sept. 18 | Light rain shower | 21° /18° | 11.9 mm | 5 | |
| Sept. 19 | Sunny | 23° /17° | 9.8 mm | 6 | |
| Sept. 20 | Sunny | 22° /17° | 1.6 mm | 6 | |
| Sept. 21 | Sunny | 23° /18° | 0 mm | 6 | |
| Sept. 22 | Patchy rain possible | 20° /17° | 0.1 mm | 5 | |
| Sept. 23 | Light rain shower | 21° /17° | 41 mm | 5 | |
| Sept. 24 | Moderate or heavy rain shower | 20° /18° | 10.7 mm | 5 | |
| Sept. 25 | Light rain shower | 20° /18° | 4.5 mm | 5 | |
| Sept. 26 | Light rain shower | 20° /18° | 3 mm | 5 | |
| Sept. 27 | Patchy rain possible | 19° /18° | 2.2 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /17° | 122.5 mm | 5 | |
| Sept. 29 | Moderate or heavy rain shower | 20° /18° | 53.7 mm | 5 | |
| Sept. 30 | Light rain shower | 19° /17° | 6.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Atlantic City 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 City forecast closer to your planned date for the most up-to-date weather information.
Atlantic City in September - FAQ
What are the expected maximum and minimum temperatures in Atlantic City during September?
During September, expect a variety of temperatures with highs around 22° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Atlantic City during September?
Significant rainfall exceeding 290.9 mm is expected in Atlantic City 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 City during September?
The average wind speed in Atlantic City during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Atlantic City
Explore the daily rainfall trends and prepare for Atlantic Citys September weather 💧
UV exposure in Atlantic City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Atlantic City?Get accurate weather forecasts for Atlantic City, located at latitude 39.364 and longitude -74.423. Stay updated with localized weather information tailored for Atlantic City.
Found a mistake?
We appreciate your attention to details. Tell us here.