S
M
T
W
T
F
S
30
77°
56°
31
76°
55°
1
77°
57°
2
77°
54°
3
75°
48°
4
67°
45°
5
67°
54°
6
68°
55°
7
74°
55°
8
74°
54°
9
75°
53°
10
70°
49°
11
73°
51°
12
73°
54°
13
72°
54°
14
72°
52°
15
71°
48°
16
67°
43°
17
65°
50°
18
67°
44°
19
64°
44°
20
65°
42°
21
60°
40°
22
59°
48°
23
61°
45°
24
60°
41°
25
59°
38°
26
58°
41°
27
59°
46°
28
65°
39°
29
59°
38°
30
57°
38°
1
58°
39°
2
58°
35°
3
55°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint-Sauveur
Saint-Sauveur's September 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 35° and 57°. The average high for September is 67° with an average low of 47°. 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-Sauveur. See also: October | November | December.
