S
M
T
W
T
F
S
30
80°
66°
31
81°
68°
1
85°
68°
2
85°
67°
3
84°
67°
4
84°
62°
5
80°
62°
6
79°
63°
7
80°
64°
8
81°
67°
9
83°
65°
10
80°
66°
11
83°
65°
12
83°
66°
13
82°
66°
14
82°
65°
15
83°
66°
16
83°
66°
17
82°
65°
18
82°
63°
19
81°
60°
20
80°
57°
21
75°
58°
22
73°
62°
23
75°
60°
24
80°
56°
25
74°
56°
26
74°
58°
27
73°
57°
28
77°
58°
29
76°
59°
30
77°
59°
1
78°
60°
2
77°
59°
3
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chesapeake District
Chesapeake District's September 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 56° and 68°. The average high for September is 80° with an average low of 62°. 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 District. See also: October | November | December.
