S
M
T
W
T
F
S
30
72°
50°
31
78°
50°
1
67°
61°
2
75°
60°
3
73°
58°
4
67°
56°
5
70°
48°
6
73°
48°
7
68°
43°
8
66°
57°
9
71°
52°
10
58°
40°
11
62°
47°
12
69°
54°
13
63°
43°
14
61°
39°
15
62°
41°
16
61°
42°
17
60°
41°
18
64°
43°
19
61°
39°
20
65°
47°
21
60°
42°
22
63°
45°
23
64°
45°
24
64°
46°
25
63°
44°
26
59°
40°
27
61°
44°
28
62°
45°
29
63°
47°
30
64°
47°
1
64°
46°
2
62°
43°
3
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lac-Fortune
Lac-Fortune's September 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 39° and 57°. The average high for September is 63° with an average low of 45°. 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-Fortune. See also: October | November | December.
