S
M
T
W
T
F
S
30
83°
65°
31
84°
65°
1
83°
64°
2
83°
65°
3
84°
66°
4
84°
65°
5
83°
64°
6
82°
65°
7
83°
63°
8
79°
59°
9
79°
61°
10
80°
62°
11
82°
62°
12
77°
58°
13
68°
52°
14
66°
51°
15
67°
57°
16
66°
56°
17
67°
52°
18
71°
53°
19
76°
57°
20
75°
57°
21
75°
56°
22
71°
48°
23
76°
46°
24
70°
55°
25
69°
55°
26
69°
47°
27
73°
42°
28
64°
43°
29
66°
52°
30
66°
51°
1
62°
50°
2
60°
55°
3
69°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South St. Paul
South St. Paul's September 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 42° and 66°. The average high for September is 74° with an average low of 56°. 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 South St. Paul. See also: October | November | December.
