S
M
T
W
T
F
S
30
95°
72°
31
90°
72°
1
88°
71°
2
89°
72°
3
91°
72°
4
93°
71°
5
92°
71°
6
93°
70°
7
93°
68°
8
94°
69°
9
94°
69°
10
95°
67°
11
95°
69°
12
94°
67°
13
93°
68°
14
94°
68°
15
94°
61°
16
86°
64°
17
84°
65°
18
84°
64°
19
85°
65°
20
89°
66°
21
90°
65°
22
90°
63°
23
91°
61°
24
92°
63°
25
90°
63°
26
89°
62°
27
90°
60°
28
85°
57°
29
83°
59°
30
82°
58°
1
81°
56°
2
82°
55°
3
82°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Junction
Junction's September 2026 forecast shows daily high temperatures ranging from 81° to 95°, with overnight lows between 55° and 72°. The average high for September is 89° with an average low of 65°. 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 Junction. See also: October | November | December.
