S
M
T
W
T
F
S
30
105°
79°
31
106°
80°
1
106°
77°
2
107°
81°
3
108°
81°
4
103°
80°
5
99°
79°
6
103°
79°
7
101°
79°
8
103°
78°
9
101°
77°
10
103°
79°
11
100°
80°
12
101°
79°
13
102°
79°
14
101°
76°
15
93°
75°
16
95°
75°
17
95°
74°
18
93°
76°
19
95°
76°
20
95°
75°
21
94°
76°
22
95°
76°
23
95°
75°
24
93°
75°
25
94°
74°
26
91°
74°
27
87°
72°
28
88°
67°
29
87°
68°
30
91°
67°
1
92°
68°
2
93°
71°
3
92°
70°
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 87° to 108°, with overnight lows between 67° and 81°. The average high for September is 97° 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.
