S
M
T
W
T
F
S
30
77°
50°
31
73°
50°
1
73°
52°
2
72°
48°
3
72°
50°
4
73°
57°
5
73°
54°
6
79°
48°
7
72°
47°
8
68°
48°
9
69°
50°
10
70°
54°
11
69°
48°
12
70°
47°
13
76°
53°
14
79°
45°
15
Hist. Avg.
72°
49°
16
Hist. Avg.
72°
49°
17
Hist. Avg.
71°
48°
18
Hist. Avg.
71°
48°
19
Hist. Avg.
71°
47°
20
Hist. Avg.
70°
47°
21
Hist. Avg.
70°
46°
22
Hist. Avg.
69°
46°
23
Hist. Avg.
69°
46°
24
Hist. Avg.
68°
45°
25
Hist. Avg.
68°
45°
26
Hist. Avg.
67°
44°
27
Hist. Avg.
67°
44°
28
Hist. Avg.
66°
43°
29
Hist. Avg.
66°
43°
30
Hist. Avg.
65°
42°
1
Hist. Avg.
65°
42°
2
Hist. Avg.
64°
42°
3
Hist. Avg.
64°
41°
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 68° to 79°, with overnight lows between 45° and 57°. The average high for September is 73° with an average low of 50°. 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.
