S
M
T
W
T
F
S
30
78°
58°
31
78°
57°
1
77°
58°
2
78°
55°
3
76°
50°
4
69°
47°
5
68°
56°
6
69°
57°
7
76°
56°
8
75°
56°
9
76°
55°
10
71°
50°
11
74°
52°
12
75°
55°
13
74°
55°
14
73°
53°
15
73°
50°
16
68°
44°
17
66°
51°
18
68°
46°
19
65°
45°
20
67°
43°
21
61°
41°
22
61°
49°
23
62°
47°
24
61°
42°
25
60°
40°
26
59°
42°
27
60°
47°
28
66°
40°
29
60°
39°
30
58°
39°
1
59°
40°
2
59°
36°
3
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint-Michel
Saint-Michel's September 2026 forecast shows daily high temperatures ranging from 57° to 78°, with overnight lows between 36° and 58°. The average high for September is 68° with an average low of 48°. 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-Michel. See also: October | November | December.
