S
M
T
W
T
F
S
30
75°
55°
31
75°
49°
1
74°
47°
2
67°
48°
3
67°
48°
4
68°
49°
5
67°
47°
6
66°
47°
7
67°
48°
8
69°
45°
9
67°
47°
10
70°
52°
11
69°
52°
12
67°
51°
13
69°
46°
14
70°
45°
15
67°
49°
16
68°
48°
17
62°
47°
18
61°
46°
19
66°
48°
20
Hist. Avg.
64°
43°
21
Hist. Avg.
64°
43°
22
Hist. Avg.
63°
42°
23
Hist. Avg.
63°
42°
24
Hist. Avg.
63°
42°
25
Hist. Avg.
62°
42°
26
Hist. Avg.
62°
41°
27
Hist. Avg.
62°
41°
28
Hist. Avg.
61°
41°
29
Hist. Avg.
61°
40°
30
Hist. Avg.
61°
40°
1
Hist. Avg.
60°
40°
2
Hist. Avg.
60°
40°
3
Hist. Avg.
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Saint-Antoine
Saint-Antoine's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 45° and 55°. 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-Antoine. See also: October | November | December.
