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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Bethany Beach, DE
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September
Average Temperature
High
25°
Feels 26
Low
18°
Feels 18
Average Precipitation
9 Days
Rain amount
75.1mm
Snow amount
0cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
17°
27
17°
28
20°
29
21°
30
22°
Forecast
Saturday, September 26, 2026
Day
17°
Feels 15
Wind
48 km/h N
Gust
72 km/h
Humidity
83%
P.O.P
90%
Rain
5-10 mm
Night
15°
Feels 13
Wind
32 km/h NW
Gust
49 km/h
Humidity
90%
P.O.P
90%
Rain
2-4 mm
Historical Averages
Sep 26
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.