S
M
T
W
T
F
S
30
95°
63°
31
90°
61°
1
88°
63°
2
93°
60°
3
96°
60°
4
94°
64°
5
97°
70°
6
97°
64°
7
100°
71°
8
94°
65°
9
87°
63°
10
84°
61°
11
92°
62°
12
77°
59°
13
91°
54°
14
93°
71°
15
72°
58°
16
87°
53°
17
90°
62°
18
89°
62°
19
85°
59°
20
85°
52°
21
72°
54°
22
83°
58°
23
76°
60°
24
70°
61°
25
73°
57°
26
84°
53°
27
86°
52°
28
80°
62°
29
73°
59°
30
64°
53°
1
68°
51°
2
71°
45°
3
77°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Junta
La Junta's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 La Junta. See also: October | November | December.