S
M
T
W
T
F
S
30
88°
70°
31
90°
72°
1
94°
73°
2
95°
72°
3
95°
73°
4
96°
71°
5
92°
70°
6
88°
66°
7
89°
67°
8
89°
69°
9
91°
70°
10
92°
66°
11
82°
66°
12
82°
68°
13
83°
64°
14
84°
63°
15
86°
66°
16
87°
68°
17
87°
68°
18
86°
67°
19
86°
68°
20
87°
68°
21
87°
67°
22
86°
67°
23
85°
66°
24
86°
67°
25
86°
66°
26
84°
65°
27
84°
64°
28
82°
63°
29
83°
63°
30
84°
62°
1
83°
63°
2
82°
62°
3
84°
63°
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 82° to 96°, with overnight lows between 62° and 73°. The average high for September is 87° with an average low of 67°. 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.
