Current sea water temperature:
+76.3°F
| Minimum sea water temperature in September: | 80.2°F |
| Maximum sea water temperature in September: | 68.5°F |
| Average sea water temperature in September: | 73.5°F |
| more information | |
14 days
forecast
forecast
| Rehoboth Beach |
monthly
weather
weather
| Rehoboth Beach |
Sea water temperature for the last 10 days:
| September 14 | 76.3°F | September 9 | 77.0°F |
| September 13 | 75.6°F | September 8 | 77.0°F |
| September 12 | 75.0°F | September 7 | 77.0°F |
| September 11 | 76.8°F | September 6 | 77.9°F |
| September 10 | 77.2°F | September 5 | 78.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Rehoboth Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Rehoboth Beach was noticed in July, August and September.
Monthly Sea Temperatures in Rehoboth Beach, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 75.7°F. The highest and lowest sea temperatures during the month were 81.3°F and 72.1°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.1°F. The highest and lowest sea temperatures during the month were 81.3°F and 74.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 72.5°F. The highest and lowest sea temperatures during the month were 74.7°F and 70.9°F.
current
weather
weather
| Rehoboth Beach |
weather in
September
September
| Rehoboth Beach |
Best time for vacation in Rehoboth Beach
Rehoboth Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Rehoboth Beach
Local time: 16:41
September 14, monday
1800
75°F
S
19 mph
19 mph
2100
73°F
S
21 mph
21 mph
September 15, tuesday
0000
70°F
SW
20 mph
20 mph
0300
70°F
SW
13 mph
13 mph
0600
70°F
SW
14 mph
14 mph
0900
72°F
SW
13 mph
13 mph
1200
72°F
W
12 mph
12 mph
1500
70°F
W
11 mph
11 mph
