S
M
T
W
T
F
S
30
84°
61°
31
82°
69°
1
93°
72°
2
86°
70°
3
94°
73°
4
88°
68°
5
81°
61°
6
80°
60°
7
80°
59°
8
83°
60°
9
83°
63°
10
90°
62°
11
81°
60°
12
83°
62°
13
79°
59°
14
80°
58°
15
79°
56°
16
75°
60°
17
75°
55°
18
73°
52°
19
78°
53°
20
81°
58°
21
79°
59°
22
79°
59°
23
78°
56°
24
76°
54°
25
76°
57°
26
78°
58°
27
76°
57°
28
70°
51°
29
68°
49°
30
70°
52°
1
68°
51°
2
69°
52°
3
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hagerstown
Hagerstown's September 2026 forecast shows daily high temperatures ranging from 67° to 94°, with overnight lows between 48° and 73°. The average high for September is 78° with an average low of 58°. 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 Hagerstown. See also: October | November | December.
