S
M
T
W
T
F
S
30
82°
65°
31
86°
65°
1
80°
66°
2
79°
69°
3
81°
69°
4
84°
67°
5
85°
65°
6
82°
66°
7
83°
64°
8
80°
63°
9
80°
65°
10
78°
68°
11
84°
63°
12
81°
62°
13
78°
63°
14
78°
66°
15
81°
67°
16
82°
65°
17
81°
61°
18
77°
60°
19
76°
61°
20
76°
64°
21
77°
61°
22
78°
64°
23
79°
63°
24
80°
64°
25
81°
65°
26
80°
57°
27
80°
58°
28
73°
57°
29
74°
56°
30
76°
57°
1
75°
58°
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
September Weather in Chesapeake
Chesapeake's September 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 56° and 69°. The average high for September is 80° with an average low of 63°. 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. See also: October | November | December.
