S
M
T
W
T
F
S
30
75°
54°
31
76°
47°
1
74°
43°
2
66°
45°
3
65°
52°
4
69°
51°
5
72°
49°
6
73°
43°
7
67°
42°
8
67°
45°
9
72°
47°
10
67°
50°
11
71°
48°
12
70°
47°
13
68°
46°
14
62°
46°
15
60°
40°
16
59°
39°
17
60°
46°
18
63°
37°
19
59°
46°
20
60°
47°
21
66°
43°
22
65°
37°
23
58°
38°
24
57°
37°
25
54°
35°
26
62°
36°
27
61°
43°
28
Hist. Avg.
59°
40°
29
Hist. Avg.
59°
40°
30
Hist. Avg.
58°
40°
1
Hist. Avg.
58°
39°
2
Hist. Avg.
57°
39°
3
Hist. Avg.
57°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lac-Beauport
Lac-Beauport's September 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 35° and 54°. The average high for September is 65° with an average low of 44°. 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-Beauport. See also: October | November | December.
