S
M
T
W
T
F
S
30
82°
61°
31
84°
62°
1
84°
62°
2
83°
61°
3
86°
53°
4
80°
53°
5
78°
57°
6
80°
60°
7
84°
58°
8
78°
56°
9
77°
58°
10
79°
59°
11
84°
58°
12
85°
59°
13
84°
59°
14
84°
58°
15
83°
57°
16
82°
56°
17
79°
50°
18
76°
49°
19
74°
47°
20
73°
46°
21
72°
46°
22
73°
50°
23
73°
47°
24
78°
50°
25
77°
54°
26
78°
53°
27
79°
54°
28
79°
52°
29
78°
50°
30
76°
50°
1
73°
49°
2
77°
52°
3
77°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Marshall
Marshall's September 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 46° and 62°. The average high for September is 79° with an average low of 54°. 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 Marshall. See also: October | November | December.
