S
M
T
W
T
F
S
30
96°
76°
31
96°
76°
1
95°
75°
2
95°
75°
3
94°
74°
4
95°
75°
5
95°
75°
6
89°
74°
7
88°
74°
8
88°
73°
9
89°
73°
10
88°
72°
11
91°
71°
12
92°
72°
13
91°
72°
14
93°
69°
15
94°
71°
16
93°
70°
17
91°
71°
18
93°
72°
19
91°
66°
20
89°
64°
21
87°
65°
22
88°
67°
23
90°
68°
24
88°
67°
25
88°
66°
26
89°
67°
27
87°
68°
28
89°
62°
29
87°
61°
30
86°
62°
1
88°
62°
2
89°
63°
3
89°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Terrell Hills
Terrell Hills's September 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 61° and 76°. The average high for September is 91° with an average low of 69°. 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 Terrell Hills. See also: October | November | December.
