S
M
T
W
T
F
S
30
93°
76°
31
96°
75°
1
95°
75°
2
95°
74°
3
94°
76°
4
92°
77°
5
94°
77°
6
95°
76°
7
95°
77°
8
94°
76°
9
90°
76°
10
91°
74°
11
90°
74°
12
91°
73°
13
92°
74°
14
93°
75°
15
90°
76°
16
92°
75°
17
92°
75°
18
89°
74°
19
92°
74°
20
92°
69°
21
91°
69°
22
86°
70°
23
86°
69°
24
87°
69°
25
87°
70°
26
88°
71°
27
91°
73°
28
91°
74°
29
90°
74°
30
92°
72°
1
91°
73°
2
91°
68°
3
89°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Corpus Christi
Corpus Christi's September 2026 forecast shows daily high temperatures ranging from 86° to 96°, with overnight lows between 68° and 77°. The average high for September is 91° with an average low of 73°. 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 Corpus Christi. See also: October | November | December.
