World Resorts USA Rehoboth Beach Weather

Rehoboth Beach Sea Temperature in September

Average sea water temperature in September:
+73.2°F
Minimum sea water temperature in September: 80.2°F
Maximum sea water temperature in September: 68.5°F

Daily 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.

Monthly sea water temperature in Rehoboth Beach, °F

Which USA resorts have warmest sea in September?

Place name September 2025 September 2024
Key West 86.9°F 87.4°F
Islamorada 86.7°F 87.3°F
Key Largo 86.6°F 87.1°F
Fort Lauderdale 86.4°F 86.4°F
Everglades 86.2°F 87.0°F
Miami Beach 86.1°F 86.3°F
Naples 86.1°F 87.2°F
Marco Island 86.0°F 87.2°F
South Padre Island 86.0°F 85.8°F
Corpus Christi 85.8°F 84.7°F
Miami 85.8°F 86.0°F
Cape Coral 85.2°F 86.5°F
Houston 84.9°F 83.4°F
Siesta Key 84.9°F 86.8°F
Sarasota 84.8°F 86.7°F
Cocoa Beach 84.6°F 85.2°F
Tampa 84.3°F 86.0°F
New Orleans 84.3°F 82.9°F
Mobile 84.0°F 83.5°F
Clearwater Beach 84.0°F 86.2°F

Best time for vacation in Rehoboth Beach

Sunniest months:
November 17 days
October 15 days
June 13 days
Warmest months:
July 82.3 °F
August 79.8 °F
June 76.8 °F
Warmest sea temp:
July 76.4 °F
August 75.6 °F
September 73.2 °F
Coldest months:
January 40.9 °F
February 43.9 °F
December 46.1 °F
Rainiest months:
August 4 days
March 3 days
July 3 days
Windiest months:
March 12.2 mph
January 11.9 mph
April 11.7 mph

Rehoboth Beach on a weather map

Rehoboth Beach
+34°F
SW 12 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Rehoboth Beach
Local time: 01:57
December 05, friday
0300
34°F
SW
12 mph
0600
36°F
SW
9 mph
0900
32°F
SW
7 mph
1200
34°F
SW
9 mph
1500
37°F
S
6 mph
1800
39°F
S
8 mph
2100
37°F
S
9 mph
December 06, saturday
0000
37°F
S
11 mph
Units of measurement: °C / °F