S
M
T
W
T
F
S
30
96°
62°
31
99°
70°
1
100°
72°
2
N/A
3
100°
76°
4
100°
76°
5
102°
76°
6
102°
73°
7
97°
72°
8
96°
75°
9
97°
74°
10
98°
73°
11
88°
68°
12
93°
68°
13
88°
69°
14
89°
67°
15
83°
61°
16
82°
66°
17
82°
65°
18
80°
65°
19
82°
65°
20
85°
64°
21
85°
65°
22
86°
65°
23
85°
63°
24
84°
64°
25
82°
64°
26
80°
59°
27
74°
54°
28
73°
52°
29
71°
50°
30
73°
54°
1
75°
56°
2
77°
58°
3
71°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Stonewall
Stonewall's September 2026 forecast shows daily high temperatures ranging from 71° to 102°, with overnight lows between 50° and 76°. The average high for September is 86° with an average low of 65°. 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 Stonewall. See also: October | November | December.
