S
M
T
W
T
F
S
30
67°
45°
31
71°
52°
1
72°
45°
2
70°
46°
3
64°
44°
4
65°
44°
5
69°
50°
6
Hist. Avg.
71°
46°
7
Hist. Avg.
70°
46°
8
Hist. Avg.
70°
45°
9
Hist. Avg.
70°
45°
10
Hist. Avg.
69°
45°
11
Hist. Avg.
69°
45°
12
Hist. Avg.
69°
44°
13
Hist. Avg.
68°
44°
14
Hist. Avg.
68°
44°
15
Hist. Avg.
68°
44°
16
Hist. Avg.
67°
43°
17
Hist. Avg.
67°
43°
18
Hist. Avg.
67°
43°
19
Hist. Avg.
66°
43°
20
Hist. Avg.
66°
42°
21
Hist. Avg.
66°
42°
22
Hist. Avg.
65°
42°
23
Hist. Avg.
65°
41°
24
Hist. Avg.
64°
41°
25
Hist. Avg.
64°
41°
26
Hist. Avg.
64°
41°
27
Hist. Avg.
63°
40°
28
Hist. Avg.
63°
40°
29
Hist. Avg.
62°
40°
30
Hist. Avg.
62°
39°
1
Hist. Avg.
61°
39°
2
Hist. Avg.
61°
39°
3
Hist. Avg.
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Vallée-Jonction
Vallée-Jonction's September 2026 forecast shows daily high temperatures ranging from 64° to 72°, with overnight lows between 44° and 52°. The average high for September is 68° with an average low of 47°. 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 Vallée-Jonction. See also: October | November | December.
