Cape May County (Cape May)
September
Weather in Cape May County, New Jersey for September 2026
Your guide to Cape May County weather in September - trends and predictions
Coastal Flood Advisory - See hour by hour.
So far, September 2026 in Cape May County is slightly warmer than the historical average by 1 °F.
Expect cooler weather in the next days in Cape May County with the forecast suggesting a temperature of 18.7 °F, lower than the historical average.
In general, the average temperature in Cape May County at the beginning of September is 25.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °F by the end of September.
Cape May County experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 231.3 mm.
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Temperatures
Rain 🌧️
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22
Dry days
8
Rainy days
0
Snow days
23°/19°
Temperatures
24 km/h
Avg max wind
80 %
Avg humidity
Cape May County Weather September
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Temperatures trend during September in Cape May County
See the weather trend as well as the moving average line
September weather in Cape May County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 28° /20° | 1 mm | 7 | |
| Sept. 2 |  Overcast | 25° /19° | 3.3 mm | 4 | |
| Sept. 3 |  Sunny | 25° /18° | 0 mm | 6 | |
| Sept. 4 | Overcast | 26° /19° | 4.5 mm | 5 | |
| Sept. 5 | Overcast | 27° /20° | 0 mm | 7 | |
| Sept. 6 | Patchy rain possible | 25° /19° | 22.9 mm | 6 | |
| Sept. 7 |  Moderate or heavy rain shower | 24° /17° | 41 mm | 6 | |
| Sept. 8 | Sunny | 25° /15° | 0 mm | 7 | |
| Sept. 9 | Overcast | 24° /17° | 0 mm | 5 | |
| Sept. 10 | Overcast | 25° /19° | 0 mm | 5 | |
| Sept. 11 | Sunny | 24° /17° | 6.4 mm | 5 | |
| Sept. 12 | Sunny | 25° /18° | 0 mm | 6 | |
| Sept. 13 | Overcast | 24° /20° | 9.5 mm | 4 | |
| Sept. 14 | Sunny | 24° /19° | 0.4 mm | 6 | |
| Sept. 15 | Sunny | 23° /18° | 0 mm | 7 | |
| Sept. 16 | Overcast | 21° /18° | 0 mm | 5 | |
| Sept. 17 | Moderate rain at times | 23° /19° | 10.4 mm | 5 | |
| Sept. 18 | Moderate or heavy rain shower | 24° /20° | 9 mm | 4 | |
| Sept. 19 | Patchy rain possible | 25° /19° | 0.6 mm | 6 | |
| Sept. 20 | Overcast | 23° /20° | 0.8 mm | 4 | |
| Sept. 21 | Patchy rain possible | 22° /18° | 1.7 mm | 4 | |
| Sept. 22 |  Cloudy | 21° /17° | 2.3 mm | 4 | |
| Sept. 23 | Cloudy | 22° /17° | 2.3 mm | 4 | |
| Sept. 24 | Overcast | 21° /18° | 1.5 mm | 4 | |
| Sept. 25 | Overcast | 23° /18° | 2.7 mm | 4 | |
| Sept. 26 | Overcast | 22° /18° | 56.2 mm | 4 | |
| Sept. 27 | Moderate rain at times | 22° /18° | 16.9 mm | 4 | |
| Sept. 28 | Moderate or heavy rain shower | 21° /18° | 34.8 mm | 4 | |
| Sept. 29 | Overcast | 20° /18° | 0 mm | 4.2 | |
| Sept. 30 | Sunny | 21° /18° | 0 mm | 5.8 | |
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Important Notice
Our weather forecast for Cape May 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 Cape May County forecast closer to your planned date for the most up-to-date weather information.
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Cape May County in September - FAQ
What are the expected maximum and minimum temperatures in Cape May County during September?
During September, expect a variety of temperatures with highs around 23° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Cape May County during September?
Significant rainfall exceeding 231.3 mm is expected in Cape May County during September, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Cape May County during September?
The average wind speed in Cape May County during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Cape May County
Explore the daily rainfall trends and prepare for Cape May Countys September weather 💧
Typically, Cape May County has 8 rainy days in September with a total of 231.3 mm of rainfall.
UV exposure in Cape May County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Cape May County?Get accurate weather forecasts for Cape May County, located at latitude 38.935 and longitude -74.906. Stay updated with localized weather information tailored for Cape May County.
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