S
M
T
W
T
F
S
30
95°
65°
31
96°
72°
1
98°
73°
2
96°
74°
3
97°
74°
4
97°
74°
5
99°
74°
6
101°
77°
7
99°
74°
8
99°
71°
9
97°
74°
10
97°
75°
11
95°
76°
12
97°
75°
13
97°
73°
14
98°
73°
15
97°
74°
16
98°
72°
17
98°
72°
18
98°
70°
19
98°
72°
20
97°
75°
21
97°
77°
22
93°
72°
23
88°
66°
24
82°
62°
25
87°
62°
26
89°
63°
27
89°
68°
28
89°
69°
29
91°
71°
30
83°
67°
1
79°
59°
2
80°
57°
3
81°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wallace
Wallace's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 57° and 71°. The average high for September is 85° with an average low of 64°. 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 Wallace. See also: October | November | December.
