S
M
T
W
T
F
S
30
93°
71°
31
92°
71°
1
89°
70°
2
90°
71°
3
91°
71°
4
92°
70°
5
92°
69°
6
90°
70°
7
91°
70°
8
92°
69°
9
92°
70°
10
91°
70°
11
92°
69°
12
90°
69°
13
88°
68°
14
88°
68°
15
90°
67°
16
90°
67°
17
89°
66°
18
89°
67°
19
88°
66°
20
89°
67°
21
88°
62°
22
86°
60°
23
87°
62°
24
85°
58°
25
85°
58°
26
87°
63°
27
89°
63°
28
89°
62°
29
88°
62°
30
81°
61°
1
84°
61°
2
87°
60°
3
87°
60°
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 81° to 93°, with overnight lows between 58° and 71°. The average high for September is 89° with an average low of 66°. 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.
