S
M
T
W
T
F
S
30
73°
50°
31
69°
47°
1
66°
54°
2
68°
57°
3
68°
47°
4
71°
49°
5
71°
48°
6
67°
47°
7
73°
48°
8
73°
53°
9
79°
54°
10
78°
52°
11
75°
52°
12
70°
51°
13
69°
52°
14
70°
49°
15
70°
52°
16
68°
51°
17
72°
52°
18
71°
50°
19
66°
48°
20
68°
52°
21
69°
51°
22
72°
50°
23
66°
48°
24
64°
45°
25
65°
45°
26
64°
46°
27
63°
45°
28
64°
45°
29
65°
46°
30
65°
49°
1
64°
45°
2
65°
46°
3
69°
51°
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 63° to 79°, with overnight lows between 45° and 57°. The average high for September is 69° with an average low of 49°. 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.
