S
M
T
W
T
F
S
30
77°
61°
31
80°
60°
1
80°
61°
2
77°
61°
3
81°
60°
4
81°
61°
5
75°
60°
6
78°
61°
7
81°
58°
8
74°
50°
9
83°
44°
10
76°
48°
11
71°
57°
12
77°
52°
13
77°
42°
14
73°
42°
15
69°
44°
16
71°
46°
17
70°
53°
18
69°
54°
19
75°
54°
20
79°
55°
21
79°
56°
22
81°
55°
23
81°
55°
24
80°
54°
25
81°
47°
26
79°
40°
27
73°
37°
28
63°
40°
29
65°
38°
30
64°
47°
1
67°
45°
2
66°
44°
3
71°
47°
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 63° to 83°, with overnight lows between 37° and 61°. The average high for September is 75° 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.
