S
M
T
W
T
F
S
30
86°
73°
31
84°
68°
1
78°
66°
2
77°
66°
3
77°
67°
4
79°
72°
5
82°
73°
6
80°
73°
7
79°
72°
8
82°
71°
9
84°
71°
10
82°
70°
11
84°
72°
12
83°
71°
13
83°
71°
14
82°
66°
15
83°
60°
16
75°
60°
17
72°
61°
18
73°
60°
19
73°
66°
20
76°
67°
21
72°
66°
22
76°
63°
23
76°
66°
24
79°
65°
25
81°
65°
26
79°
66°
27
79°
65°
28
78°
55°
29
78°
56°
30
67°
61°
1
68°
62°
2
69°
61°
3
68°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Annapolis
Annapolis's September 2026 forecast shows daily high temperatures ranging from 67° to 86°, with overnight lows between 55° and 73°. The average high for September is 78° with an average low of 66°. 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 Annapolis. See also: October | November | December.
