S
M
T
W
T
F
S
30
90°
78°
31
91°
77°
1
88°
76°
2
87°
77°
3
87°
75°
4
88°
75°
5
90°
74°
6
90°
75°
7
89°
76°
8
90°
77°
9
88°
76°
10
88°
76°
11
86°
77°
12
88°
76°
13
89°
77°
14
90°
77°
15
88°
76°
16
87°
77°
17
89°
76°
18
90°
76°
19
89°
74°
20
88°
76°
21
87°
75°
22
89°
76°
23
89°
75°
24
88°
76°
25
85°
75°
26
86°
75°
27
87°
74°
28
87°
73°
29
86°
72°
30
83°
69°
1
84°
67°
2
82°
67°
3
81°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Texas City
Texas City's September 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 67° and 78°. The average high for September is 88° with an average low of 75°. 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 Texas City. See also: October | November | December.
