S
M
T
W
T
F
S
30
100°
75°
31
100°
76°
1
93°
75°
2
99°
74°
3
97°
76°
4
91°
72°
5
95°
73°
6
97°
73°
7
95°
74°
8
99°
75°
9
97°
70°
10
93°
71°
11
97°
73°
12
99°
75°
13
97°
73°
14
93°
73°
15
91°
72°
16
88°
70°
17
93°
70°
18
90°
69°
19
90°
69°
20
91°
69°
21
93°
66°
22
84°
65°
23
70°
63°
24
79°
64°
25
84°
64°
26
89°
61°
27
91°
64°
28
86°
66°
29
85°
63°
30
79°
59°
1
83°
53°
2
84°
54°
3
88°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tornillo
Tornillo's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 53° and 66°. The average high for September is 86° with an average low of 60°. 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 Tornillo. See also: October | November | December.