Atlantic City (NJ)
September
Weather in Atlantic City, New Jersey for September 2026
Your guide to Atlantic City weather in September - trends and predictions
So far, September 2026 in Atlantic City shows a warmer trend than usual by 2.4 °F.
The forecast for the upcoming days in Atlantic City predicts a temperature of 25.6 °F, which is slightly above the historical average.
In general, the average temperature in Atlantic City at the beginning of September is 24 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.4 °F by the end of September.
Atlantic City in September brings notable rainfall, with an average of 16 rainy days and a total precipitation of 281.3 mm.
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Temperatures
Rain 🌧️
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14
Dry days
16
Rainy days
0
Snow days
22°/18°
Temperatures
26 km/h
Avg max wind
80 %
Avg humidity
Atlantic City Weather September
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Temperatures trend during September in Atlantic City
See the weather trend as well as the moving average line
September weather in Atlantic City day by day
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| 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 | 29° /22° | 0.7 mm | 3.3 | |
| Sept. 11 | Overcast | 24° /17° | 3.3 mm | 5.8 | |
| Sept. 12 | Overcast | 26° /15° | 0 mm | 6.5 | |
| Sept. 13 | Patchy rain possible | 26° /21° | 2 mm | 7 | |
| Sept. 14 | Overcast | 30° /21° | 0 mm | 7 | |
| Sept. 15 | Sunny | 30° /22° | 0.9 mm | 7 | |
| Sept. 16 | Sunny | 34° /23° | 0.1 mm | 8 | |
| Sept. 17 | Sunny | 25° /18° | 0 mm | 6 | |
| Sept. 18 | Overcast | 25° /15° | 0.6 mm | 5 | |
| Sept. 19 | Sunny | 20° /10° | 0 mm | 5 | |
| Sept. 20 | Sunny | 21° /10° | 0 mm | 6 | |
| Sept. 21 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 22 | Sunny | 23° /13° | 0 mm | 6 | |
| Sept. 23 | Sunny | 24° /15° | 0 mm | 6 | |
| Sept. 24 |  Moderate or heavy rain shower | 21° /18° | 7.1 mm | 5 | |
| Sept. 25 | Light rain shower | 21° /19° | 3.4 mm | 5 | |
| Sept. 26 | Light rain shower | 21° /18° | 39.1 mm | 5 | |
| Sept. 27 | Patchy rain possible | 20° /18° | 1.5 mm | 5 | |
| Sept. 28 | Patchy rain possible | 20° /18° | 91.3 mm | 5 | |
| Sept. 29 | Moderate or heavy rain shower | 20° /17° | 35.8 mm | 5 | |
| Sept. 30 | Overcast | 20° /18° | 4.3 mm | 4 | |
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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.
Change Month
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 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Atlantic City during September?
Significant rainfall exceeding 281.3 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 26 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 💧
Typically, Atlantic City has 16 rainy days in September with a total of 281.3 mm of rainfall.
UV exposure in Atlantic City during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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