S
M
T
W
T
F
S
30
50°
39°
31
56°
36°
1
62°
37°
2
70°
35°
3
69°
45°
4
67°
44°
5
61°
39°
6
70°
37°
7
53°
34°
8
48°
32°
9
54°
32°
10
61°
46°
11
43°
35°
12
53°
48°
13
62°
40°
14
49°
39°
15
51°
45°
16
56°
39°
17
49°
35°
18
48°
38°
19
45°
35°
20
44°
35°
21
44°
33°
22
46°
37°
23
48°
36°
24
45°
39°
25
40°
29°
26
39°
29°
27
44°
33°
28
48°
32°
29
38°
30°
30
42°
37°
1
47°
38°
2
48°
37°
3
47°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lac-Vacher
Lac-Vacher's September 2026 forecast shows daily high temperatures ranging from 38° to 62°, with overnight lows between 29° and 48°. The average high for September is 47° with an average low of 36°. 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 Lac-Vacher. See also: October | November | December.
