S
M
T
W
T
F
S
30
88°
73°
31
88°
68°
1
86°
67°
2
81°
66°
3
82°
69°
4
83°
69°
5
84°
70°
6
81°
68°
7
81°
67°
8
82°
67°
9
81°
66°
10
80°
66°
11
81°
67°
12
82°
66°
13
83°
65°
14
80°
64°
15
81°
65°
16
80°
65°
17
81°
64°
18
78°
64°
19
79°
69°
20
81°
68°
21
82°
67°
22
Hist. Avg.
80°
65°
23
Hist. Avg.
80°
64°
24
Hist. Avg.
79°
64°
25
Hist. Avg.
79°
64°
26
Hist. Avg.
79°
63°
27
Hist. Avg.
78°
63°
28
Hist. Avg.
78°
63°
29
Hist. Avg.
78°
62°
30
Hist. Avg.
78°
62°
1
Hist. Avg.
77°
61°
2
Hist. Avg.
77°
61°
3
Hist. Avg.
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chesapeake Beach
Chesapeake Beach's September 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 64° and 73°. The average high for September is 82° with an average low of 67°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Chesapeake Beach. See also: October | November | December.
