S
M
T
W
T
F
S
30
90°
77°
31
91°
78°
1
91°
75°
2
91°
75°
3
90°
75°
4
91°
77°
5
91°
77°
6
93°
81°
7
91°
80°
8
93°
79°
9
93°
77°
10
92°
78°
11
94°
75°
12
95°
75°
13
92°
76°
14
91°
75°
15
90°
74°
16
91°
73°
17
91°
77°
18
92°
76°
19
91°
77°
20
92°
70°
21
92°
72°
22
91°
71°
23
88°
70°
24
89°
71°
25
89°
71°
26
88°
70°
27
88°
68°
28
89°
71°
29
88°
71°
30
88°
70°
1
89°
70°
2
89°
71°
3
90°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Los Llanos
Los Llanos's September 2026 forecast shows daily high temperatures ranging from 88° to 95°, with overnight lows between 68° and 78°. The average high for September is 90° 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 Los Llanos. See also: October | November | December.
