S
M
T
W
T
F
S
30
65°
43°
31
65°
44°
1
67°
50°
2
71°
51°
3
72°
51°
4
69°
52°
5
64°
50°
6
72°
48°
7
63°
43°
8
63°
42°
9
66°
41°
10
70°
47°
11
70°
48°
12
63°
48°
13
63°
49°
14
69°
50°
15
71°
49°
16
69°
50°
17
67°
49°
18
65°
48°
19
67°
43°
20
64°
46°
21
66°
39°
22
61°
37°
23
57°
37°
24
57°
38°
25
60°
37°
26
56°
34°
27
55°
35°
28
55°
39°
29
57°
34°
30
53°
34°
1
54°
35°
2
52°
33°
3
51°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint-Lambert-de-Lauzon
Saint-Lambert-de-Lauzon's September 2026 forecast shows daily high temperatures ranging from 51° to 72°, with overnight lows between 33° and 52°. The average high for September is 63° with an average low of 43°. 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 Saint-Lambert-de-Lauzon. See also: October | November | December.
