S
M
T
W
T
F
S
30
105°
79°
31
106°
80°
1
106°
77°
2
107°
80°
3
108°
81°
4
107°
81°
5
101°
77°
6
99°
75°
7
104°
78°
8
104°
80°
9
105°
76°
10
102°
78°
11
105°
79°
12
104°
80°
13
103°
80°
14
105°
80°
15
107°
78°
16
102°
78°
17
96°
76°
18
95°
75°
19
99°
76°
20
100°
76°
21
98°
75°
22
95°
74°
23
94°
75°
24
96°
75°
25
94°
74°
26
95°
73°
27
92°
75°
28
90°
75°
29
91°
74°
30
93°
75°
1
93°
74°
2
90°
74°
3
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Laredo
Laredo's September 2026 forecast shows daily high temperatures ranging from 90° to 107°, with overnight lows between 73° and 80°. The average high for September is 96° 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 Laredo. See also: October | November | December.
