The weather in Cape May in September is hot. The average temperatures are between 20°C and 24°C.
You can expect about 3 to 8 days of rain in Cape May during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Cape May in September 2025.
If you’re planning to visit Cape May in the near future, we highly recommend that you review the 14 day weather forecast for Cape May before you arrive.
Temperatures
24° / 20°
Rainy Days
4
Snowy Days
0
Dry Days
26
Rainfall
62
mm
Sun Hours
10.8
Hrs
