Current sea water temperature:
+77.7°F
| Minimum sea water temperature in September: | 79.0°F |
| Maximum sea water temperature in September: | 67.5°F |
| Average sea water temperature in September: | 73.2°F |
| more information | |
14 days
forecast
forecast
| Cape May |
monthly
weather
weather
| Cape May |
Sea water temperature for the last 10 days:
| September 9 | 77.7°F | September 4 | 74.1°F |
| September 8 | 77.5°F | September 3 | 75.2°F |
| September 7 | 77.9°F | September 2 | 76.8°F |
| September 6 | 77.7°F | September 1 | 75.9°F |
| September 5 | 76.3°F | August 31 | 76.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Cape May?
Based on the data about daily sea water temperature for the last three years the warmest sea in Cape May was noticed in August, July and September.
Monthly Sea Temperatures in Cape May, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 79.2°F and 72.0°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.3°F. The highest and lowest sea temperatures during the month were 77.4°F and 70.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.2°F. The highest and lowest sea temperatures during the month were 74.1°F and 70.7°F.
current
weather
weather
| Cape May |
weather in
September
September
| Cape May |
Best time for vacation in Cape May
Cape May on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Cape May
Local time: 18:49
September 09, wednesday
2100
75°F
N
24 mph
24 mph
September 10, thursday
0000
75°F
N
22 mph
22 mph
0300
75°F
NE
24 mph
24 mph
0600
75°F
NE
22 mph
22 mph
0900
77°F
NE
19 mph
19 mph
1200
81°F
E
11 mph
11 mph
1500
79°F
SE
12 mph
12 mph
1800
79°F
S
6 mph
6 mph
