S
M
T
W
T
F
S
30
74°
47°
31
71°
41°
1
74°
41°
2
74°
49°
3
71°
56°
4
71°
57°
5
64°
52°
6
68°
45°
7
75°
56°
8
69°
42°
9
69°
61°
10
72°
48°
11
65°
43°
12
75°
52°
13
75°
52°
14
70°
47°
15
67°
49°
16
69°
46°
17
68°
46°
18
67°
44°
19
64°
45°
20
63°
39°
21
59°
42°
22
60°
43°
23
68°
43°
24
68°
42°
25
67°
43°
26
67°
38°
27
60°
33°
28
65°
40°
29
67°
42°
30
68°
43°
1
68°
43°
2
67°
42°
3
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint-Théophile
Saint-Théophile's September 2026 forecast shows daily high temperatures ranging from 59° to 75°, with overnight lows between 33° and 61°. The average high for September is 67° 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 Saint-Théophile. See also: October | November | December.
