S
M
T
W
T
F
S
30
91°
69°
31
92°
70°
1
91°
69°
2
90°
64°
3
86°
62°
4
83°
65°
5
87°
68°
6
88°
66°
7
89°
67°
8
88°
68°
9
88°
68°
10
88°
66°
11
88°
61°
12
81°
60°
13
80°
63°
14
82°
65°
15
81°
65°
16
81°
64°
17
82°
63°
18
78°
57°
19
78°
55°
20
77°
55°
21
77°
56°
22
78°
59°
23
80°
62°
24
82°
63°
25
83°
60°
26
82°
54°
27
78°
58°
28
75°
54°
29
75°
53°
30
75°
60°
1
82°
59°
2
Hist. Avg.
77°
53°
3
Hist. Avg.
76°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stonewall
Stonewall's September 2026 forecast shows daily high temperatures ranging from 75° to 92°, with overnight lows between 53° and 70°. The average high for September is 83° with an average low of 62°. 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.
