S
M
T
W
T
F
S
30
80°
55°
31
80°
59°
1
79°
59°
2
79°
54°
3
78°
49°
4
71°
50°
5
71°
55°
6
72°
57°
7
78°
53°
8
73°
51°
9
70°
52°
10
71°
57°
11
72°
56°
12
78°
57°
13
77°
56°
14
78°
55°
15
77°
52°
16
72°
54°
17
68°
46°
18
71°
46°
19
67°
44°
20
65°
43°
21
64°
44°
22
65°
51°
23
66°
44°
24
67°
44°
25
67°
51°
26
68°
50°
27
69°
51°
28
72°
49°
29
71°
45°
30
69°
45°
1
65°
49°
2
70°
48°
3
66°
49°
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 64° to 80°, with overnight lows between 43° and 59°. The average high for September is 72° with an average low of 51°. 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.
