S
M
T
W
T
F
S
30
75°
61°
31
77°
62°
1
72°
56°
2
78°
63°
3
82°
61°
4
83°
57°
5
77°
52°
6
76°
52°
7
76°
60°
8
79°
56°
9
79°
50°
10
70°
49°
11
68°
49°
12
68°
50°
13
70°
54°
14
69°
47°
15
67°
45°
16
65°
45°
17
66°
46°
18
66°
46°
19
67°
47°
20
66°
46°
21
67°
50°
22
70°
54°
23
71°
45°
24
74°
54°
25
71°
52°
26
72°
42°
27
63°
51°
28
64°
52°
29
64°
49°
30
65°
49°
1
64°
44°
2
60°
43°
3
61°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Louis Park
St. Louis Park's September 2026 forecast shows daily high temperatures ranging from 60° to 83°, with overnight lows between 42° and 63°. The average high for September is 70° with an average low of 51°. 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. Louis Park. See also: October | November | December.
