S
M
T
W
T
F
S
30
74°
53°
31
73°
56°
1
73°
54°
2
74°
55°
3
73°
56°
4
71°
52°
5
71°
53°
6
72°
54°
7
70°
54°
8
73°
60°
9
74°
53°
10
75°
51°
11
71°
52°
12
71°
51°
13
72°
56°
14
77°
57°
15
76°
56°
16
76°
57°
17
77°
58°
18
76°
55°
19
66°
48°
20
65°
47°
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 65° to 77°, with overnight lows between 47° and 60°. The average high for September is 73° with an average low of 54°. 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.
