S
M
T
W
T
F
S
30
84°
59°
31
80°
53°
1
78°
53°
2
77°
54°
3
77°
54°
4
78°
55°
5
77°
55°
6
75°
57°
7
75°
59°
8
77°
55°
9
75°
52°
10
75°
52°
11
74°
51°
12
73°
52°
13
74°
53°
14
72°
51°
15
73°
55°
16
74°
51°
17
73°
50°
18
74°
54°
19
78°
52°
20
Hist. Avg.
76°
53°
21
Hist. Avg.
76°
53°
22
Hist. Avg.
75°
52°
23
Hist. Avg.
75°
52°
24
Hist. Avg.
74°
52°
25
Hist. Avg.
74°
51°
26
Hist. Avg.
74°
51°
27
Hist. Avg.
73°
50°
28
Hist. Avg.
73°
50°
29
Hist. Avg.
72°
50°
30
Hist. Avg.
72°
49°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Wallace
Wallace's September 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 50° and 59°. The average high for September is 76° 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 Wallace. See also: October | November | December.
