S
M
T
W
T
F
S
30
98°
78°
31
97°
79°
1
97°
78°
2
100°
78°
3
100°
81°
4
91°
80°
5
97°
77°
6
98°
77°
7
98°
78°
8
100°
78°
9
98°
78°
10
98°
78°
11
100°
79°
12
100°
79°
13
100°
79°
14
100°
80°
15
101°
79°
16
101°
76°
17
95°
75°
18
96°
77°
19
98°
75°
20
96°
74°
21
100°
74°
22
98°
74°
23
98°
73°
24
97°
72°
25
95°
71°
26
94°
72°
27
95°
70°
28
94°
71°
29
87°
65°
30
88°
70°
1
89°
70°
2
83°
68°
3
86°
69°
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 83° to 101°, with overnight lows between 65° and 77°. The average high for September is 94° with an average low of 72°. 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.
