S
M
T
W
T
F
S
30
72°
44°
31
74°
44°
1
74°
45°
2
70°
50°
3
71°
49°
4
68°
45°
5
69°
43°
6
68°
39°
7
67°
39°
8
66°
41°
9
68°
39°
10
70°
42°
11
69°
46°
12
66°
38°
13
68°
43°
14
73°
48°
15
Hist. Avg.
74°
49°
16
Hist. Avg.
74°
48°
17
Hist. Avg.
73°
48°
18
Hist. Avg.
73°
48°
19
Hist. Avg.
73°
47°
20
Hist. Avg.
72°
47°
21
Hist. Avg.
72°
47°
22
Hist. Avg.
71°
46°
23
Hist. Avg.
71°
46°
24
Hist. Avg.
70°
46°
25
Hist. Avg.
70°
45°
26
Hist. Avg.
69°
45°
27
Hist. Avg.
69°
45°
28
Hist. Avg.
68°
44°
29
Hist. Avg.
68°
44°
30
Hist. Avg.
67°
44°
1
Hist. Avg.
67°
43°
2
Hist. Avg.
66°
43°
3
Hist. Avg.
66°
43°
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 66° to 74°, with overnight lows between 38° and 50°. The average high for September is 70° with an average low of 43°. 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.
