S
M
T
W
T
F
S
30
97°
63°
31
93°
65°
1
90°
60°
2
92°
65°
3
96°
59°
4
96°
66°
5
96°
67°
6
94°
65°
7
94°
64°
8
94°
67°
9
91°
63°
10
83°
61°
11
94°
63°
12
81°
62°
13
92°
54°
14
94°
65°
15
76°
57°
16
82°
58°
17
85°
63°
18
86°
62°
19
86°
57°
20
84°
56°
21
76°
54°
22
78°
57°
23
66°
58°
24
73°
60°
25
75°
58°
26
81°
53°
27
85°
59°
28
81°
58°
29
71°
59°
30
69°
54°
1
64°
51°
2
65°
50°
3
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Texline
Texline's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Texline. See also: October | November | December.