S
M
T
W
T
F
S
30
95°
72°
31
94°
72°
1
95°
71°
2
95°
73°
3
96°
72°
4
95°
72°
5
94°
71°
6
95°
71°
7
95°
65°
8
87°
65°
9
88°
66°
10
92°
66°
11
93°
69°
12
94°
67°
13
91°
68°
14
92°
69°
15
91°
68°
16
91°
62°
17
85°
62°
18
84°
63°
19
84°
60°
20
86°
59°
21
83°
60°
22
82°
59°
23
81°
60°
24
82°
65°
25
82°
65°
26
83°
64°
27
85°
65°
28
82°
65°
29
85°
64°
30
86°
63°
1
83°
62°
2
82°
55°
3
79°
56°
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 79° to 96°, with overnight lows between 55° and 73°. The average high for September is 88° 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.
