S
M
T
W
T
F
S
30
85°
71°
31
93°
70°
1
94°
73°
2
97°
72°
3
97°
73°
4
97°
72°
5
97°
70°
6
88°
68°
7
88°
66°
8
88°
63°
9
90°
61°
10
93°
66°
11
93°
72°
12
90°
72°
13
88°
70°
14
95°
71°
15
90°
63°
16
87°
61°
17
87°
67°
18
87°
68°
19
84°
64°
20
82°
62°
21
77°
60°
22
78°
59°
23
80°
62°
24
82°
61°
25
82°
61°
26
80°
59°
27
83°
63°
28
85°
64°
29
84°
64°
30
84°
63°
1
82°
63°
2
83°
62°
3
82°
62°
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 77° to 95°, with overnight lows between 59° and 72°. The average high for September is 85° with an average low of 64°. 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.
