S
M
T
W
T
F
S
30
86°
59°
31
82°
57°
1
80°
58°
2
80°
59°
3
81°
62°
4
82°
61°
5
86°
59°
6
79°
61°
7
79°
56°
8
80°
57°
9
79°
56°
10
79°
54°
11
78°
54°
12
76°
55°
13
75°
54°
14
76°
58°
15
77°
59°
16
80°
55°
17
81°
56°
18
81°
55°
19
79°
53°
20
82°
51°
21
74°
51°
22
Hist. Avg.
78°
53°
23
Hist. Avg.
77°
53°
24
Hist. Avg.
77°
52°
25
Hist. Avg.
76°
52°
26
Hist. Avg.
76°
52°
27
Hist. Avg.
76°
51°
28
Hist. Avg.
75°
51°
29
Hist. Avg.
75°
51°
30
Hist. Avg.
74°
50°
1
Hist. Avg.
74°
50°
2
Hist. Avg.
74°
50°
3
Hist. Avg.
73°
49°
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 74° to 86°, with overnight lows between 51° and 62°. The average high for September is 80° 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.
