S
M
T
W
T
F
S
30
74°
55°
31
75°
52°
1
67°
51°
2
66°
49°
3
66°
50°
4
67°
48°
5
71°
53°
6
74°
54°
7
74°
53°
8
73°
53°
9
74°
54°
10
71°
53°
11
73°
52°
12
72°
53°
13
73°
54°
14
65°
40°
15
63°
41°
16
64°
42°
17
67°
45°
18
65°
39°
19
62°
41°
20
62°
40°
21
66°
48°
22
70°
46°
23
69°
38°
24
64°
35°
25
59°
43°
26
66°
45°
27
67°
46°
28
67°
42°
29
62°
35°
30
58°
34°
1
57°
40°
2
61°
40°
3
60°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Le Secteur-des-Lacs
Le Secteur-des-Lacs's September 2026 forecast shows daily high temperatures ranging from 57° to 75°, with overnight lows between 33° and 55°. The average high for September is 67° with an average low of 46°. 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 Le Secteur-des-Lacs. See also: October | November | December.
