S
M
T
W
T
F
S
30
89°
74°
31
91°
73°
1
91°
73°
2
90°
72°
3
90°
70°
4
90°
73°
5
89°
73°
6
87°
72°
7
86°
71°
8
87°
70°
9
88°
71°
10
90°
68°
11
88°
68°
12
89°
67°
13
87°
68°
14
85°
67°
15
86°
68°
16
85°
66°
17
87°
70°
18
89°
69°
19
86°
69°
20
88°
68°
21
89°
69°
22
Hist. Avg.
88°
67°
23
Hist. Avg.
88°
67°
24
Hist. Avg.
88°
67°
25
Hist. Avg.
88°
66°
26
Hist. Avg.
87°
66°
27
Hist. Avg.
87°
66°
28
Hist. Avg.
87°
66°
29
Hist. Avg.
87°
65°
30
Hist. Avg.
86°
65°
1
Hist. Avg.
86°
65°
2
Hist. Avg.
86°
65°
3
Hist. Avg.
86°
64°
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 85° to 91°, with overnight lows between 66° and 74°. The average high for September is 88° with an average low of 70°. 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.
