S
M
T
W
T
F
S
30
85°
82°
31
89°
82°
1
90°
82°
2
91°
83°
3
88°
83°
4
88°
82°
5
88°
80°
6
91°
80°
7
92°
80°
8
94°
79°
9
93°
81°
10
92°
80°
11
92°
81°
12
90°
79°
13
91°
80°
14
89°
77°
15
88°
79°
16
87°
78°
17
88°
77°
18
87°
78°
19
85°
77°
20
87°
79°
21
88°
79°
22
87°
78°
23
86°
78°
24
85°
77°
25
86°
78°
26
85°
77°
27
84°
78°
28
85°
78°
29
86°
77°
30
85°
76°
1
84°
78°
2
86°
78°
3
85°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Padre Island
South Padre Island's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 76° and 83°. The average high for September is 88° with an average low of 79°. 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 South Padre Island. See also: October | November | December.
