S
M
T
W
T
F
S
31
54°
48°
1
54°
48°
2
54°
43°
3
53°
43°
4
54°
45°
5
52°
48°
6
54°
47°
7
56°
39°
8
51°
38°
9
51°
46°
10
51°
46°
11
51°
41°
12
52°
45°
13
54°
39°
14
53°
35°
15
52°
37°
16
52°
46°
17
50°
47°
18
51°
47°
19
53°
43°
20
48°
40°
21
51°
40°
22
51°
42°
23
51°
36°
24
49°
41°
25
50°
41°
26
50°
42°
27
47°
33°
28
48°
43°
29
49°
41°
30
51°
45°
1
49°
44°
2
48°
39°
3
48°
46°
4
49°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Paul
St. Paul's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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. Paul. See also: October | November | December.
