S
M
T
W
T
F
S
30
59°
53°
31
62°
53°
1
60°
52°
2
58°
51°
3
58°
49°
4
54°
50°
5
60°
51°
6
60°
48°
7
53°
48°
8
58°
51°
9
60°
51°
10
60°
50°
11
59°
51°
12
60°
51°
13
60°
50°
14
52°
42°
15
52°
42°
16
51°
43°
17
52°
42°
18
57°
44°
19
56°
46°
20
52°
40°
21
54°
44°
22
52°
40°
23
49°
41°
24
48°
38°
25
49°
42°
26
48°
43°
27
52°
42°
28
49°
43°
29
50°
39°
30
51°
36°
1
52°
36°
2
45°
37°
3
44°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Anthony
St. Anthony's September 2026 forecast shows daily high temperatures ranging from 44° to 62°, with overnight lows between 35° and 53°. The average high for September is 54° 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 St. Anthony. See also: October | November | December.