S
M
T
W
T
F
S
30
80°
64°
31
85°
70°
1
87°
65°
2
92°
68°
3
90°
66°
4
78°
66°
5
77°
63°
6
77°
55°
7
77°
55°
8
82°
67°
9
79°
63°
10
75°
47°
11
79°
57°
12
81°
60°
13
78°
64°
14
77°
63°
15
72°
56°
16
72°
49°
17
73°
53°
18
73°
50°
19
72°
48°
20
68°
49°
21
71°
54°
22
66°
52°
23
67°
54°
24
72°
54°
25
74°
53°
26
73°
53°
27
72°
52°
28
74°
54°
29
74°
55°
30
73°
54°
1
74°
51°
2
70°
46°
3
59°
43°
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 59° to 82°, with overnight lows between 43° and 67°. The average high for September is 73° 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.
