S
M
T
W
T
F
S
30
80°
63°
31
81°
62°
1
82°
57°
2
78°
57°
3
81°
55°
4
78°
57°
5
80°
60°
6
81°
61°
7
79°
53°
8
72°
50°
9
70°
58°
10
71°
59°
11
74°
52°
12
77°
61°
13
77°
58°
14
76°
61°
15
76°
60°
16
68°
54°
17
69°
52°
18
Hist. Avg.
71°
52°
19
Hist. Avg.
71°
51°
20
Hist. Avg.
70°
51°
21
Hist. Avg.
70°
50°
22
Hist. Avg.
69°
50°
23
Hist. Avg.
69°
49°
24
Hist. Avg.
68°
49°
25
Hist. Avg.
68°
48°
26
Hist. Avg.
68°
48°
27
Hist. Avg.
67°
47°
28
Hist. Avg.
67°
47°
29
Hist. Avg.
66°
46°
30
Hist. Avg.
66°
46°
1
Hist. Avg.
65°
45°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in St. Paul
St. Paul's September 2026 forecast shows daily high temperatures ranging from 68° to 82°, with overnight lows between 50° and 63°. The average high for September is 76° with an average low of 57°. 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.
