World Resorts USA Bethany Beach Weather

Bethany Beach 14 Days Forecast

09.09
wed
Day
79°F
N 15 mph
Precip.
14%
Night
77°F
NE 24 mph
Precip.
9%
10.09
thu
Day
79°F
E 13 mph
Precip.
14%
Night
77°F
S 12 mph
Precip.
13%
11.09
fri
Day
75°F
SW 14 mph
Precip.
15%
Night
75°F
S 1 mph
Precip.
5%
12.09
sat
Day
73°F
NW 11 mph
Precip.
46%
Night
77°F
NW 19 mph
Precip.
54%
13.09
sun
Day
79°F
N 12 mph
Precip.
61%
Night
77°F
SE 5 mph
Precip.
27%
14.09
mon
Day
75°F
SW 9 mph
Precip.
25%
Night
77°F
W 7 mph
Precip.
25%
15.09
tue
Day
77°F
NW 9 mph
Precip.
22%
Night
79°F
N 11 mph
Precip.
17%
16.09
wed
Day
79°F
SW 4 mph
Precip.
38%
Night
77°F
SW 11 mph
Precip.
24%
17.09
thu
Day
73°F
SW 14 mph
Precip.
36%
Night
73°F
W 9 mph
Precip.
19%
18.09
fri
Day
72°F
SW 11 mph
Precip.
6%
Night
72°F
NE 4 mph
Precip.
5%
19.09
sat
Day
72°F
N 6 mph
Precip.
14%
Night
73°F
N 13 mph
Precip.
83%
20.09
sun
Day
75°F
N 7 mph
Precip.
23%
Night
75°F
N 10 mph
Precip.
15%
21.09
mon
Day
77°F
N 15 mph
Precip.
69%
Night
75°F
N 8 mph
Precip.
14%
22.09
tue
Day
77°F
SW 6 mph
Precip.
26%
Night
77°F
N 19 mph
Precip.
22%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 72.7°F. The highest and lowest sea temperatures during the month were 74.7°F and 71.4°F.

Air temperature in Bethany Beach, °F

Precipitation total in Bethany Beach, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Bethany Beach

Sunniest months:
November 17 days
October 16 days
June 15 days
Warmest months:
July 80.1 °F
August 77.9 °F
June 74.3 °F
Warmest sea temp:
August 74.6 °F
July 74.5 °F
September 73.3 °F
Coldest months:
January 40.7 °F
February 42.6 °F
December 45.7 °F
Rainiest months:
August 3 days
December 3 days
July 3 days
Windiest months:
March 13.6 mph
January 13.2 mph
February 12.9 mph

Bethany Beach on a weather map

Current weather
18:45
Bethany Beach
+77°F
N 21 mph
Feels like: +79°F
Precip.: 15%
Places in USA:
Name
°F
Boston
+73°F
Washington
+90°F
Hawaii
+82°F
Las Vegas
+97°F
Los Angeles
+97°F
Miami
+88°F
Maui
+70°F
Myrtle Beach
+82°F
New York
+86°F
San Diego
+81°F
San Francisco
+77°F
Santa Monica
+91°F
Sarasota
+86°F
Houston
+88°F
Chicago
+75°F
all places
24 Hours Forecast
Bethany Beach
Local time: 18:45
September 09, wednesday
2100
77°F
N
22 mph
September 10, thursday
0000
77°F
NE
24 mph
0300
75°F
NE
22 mph
0600
75°F
NE
21 mph
0900
77°F
NE
19 mph
1200
79°F
E
13 mph
1500
84°F
E
4 mph
1800
81°F
W
8 mph
Units of measurement: °C / °F