S
M
T
W
T
F
S
30
61°
36°
31
52°
38°
1
51°
37°
2
55°
40°
3
59°
42°
4
59°
46°
5
58°
47°
6
59°
46°
7
59°
46°
8
58°
45°
9
57°
43°
10
56°
34°
11
51°
34°
12
47°
33°
13
50°
33°
14
45°
31°
15
43°
29°
16
43°
29°
17
44°
37°
18
52°
31°
19
44°
31°
20
42°
34°
21
41°
30°
22
42°
29°
23
40°
28°
24
40°
28°
25
41°
29°
26
41°
29°
27
45°
36°
28
47°
38°
29
48°
37°
30
48°
37°
1
47°
36°
2
46°
34°
3
45°
34°
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 40° to 61°, with overnight lows between 28° and 47°. The average high for September is 49° 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.
