Current sea water temperature:
+75.2°F
| Minimum sea water temperature in September: | 80.2°F |
| Maximum sea water temperature in September: | 68.7°F |
| Average sea water temperature in September: | 73.6°F |
| more information | |
14 days
forecast
forecast
| Lewes |
monthly
weather
weather
| Lewes |
Sea water temperature for the last 10 days:
| September 19 | 75.2°F | September 14 | 76.3°F |
| September 18 | 73.8°F | September 13 | 76.3°F |
| September 17 | 74.7°F | September 12 | 75.6°F |
| September 16 | 75.6°F | September 11 | 77.2°F |
| September 15 | 76.3°F | September 10 | 77.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Lewes?
Based on the data about daily sea water temperature for the last three years the warmest sea in Lewes was noticed in July, August and September.
Monthly Sea Temperatures in Lewes, °F
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 82.0°F and 71.8°F.
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 77.7°F. The highest and lowest sea temperatures during the month were 82.2°F and 74.7°F.
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 76.3°F. The highest and lowest sea temperatures during the month were 78.1°F and 73.8°F.
current
weather
weather
| Lewes |
weather in
September
September
| Lewes |
Best time for vacation in Lewes
Lewes on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lewes
Local time: 06:10
September 19, saturday
0900
70°F
SW
14 mph
14 mph
1200
73°F
W
14 mph
14 mph
1500
73°F
W
13 mph
13 mph
1800
70°F
W
12 mph
12 mph
2100
70°F
W
11 mph
11 mph
September 20, sunday
0000
70°F
W
11 mph
11 mph
0300
70°F
NW
9 mph
9 mph
0600
70°F
NW
9 mph
9 mph
