S
M
T
W
T
F
S
30
88°
65°
31
91°
65°
1
89°
60°
2
88°
66°
3
90°
69°
4
86°
65°
5
86°
65°
6
82°
67°
7
85°
67°
8
84°
65°
9
80°
58°
10
81°
51°
11
86°
58°
12
74°
52°
13
65°
49°
14
62°
56°
15
69°
51°
16
66°
52°
17
68°
53°
18
69°
55°
19
70°
51°
20
68°
52°
21
72°
55°
22
71°
56°
23
73°
54°
24
68°
49°
25
73°
56°
26
74°
55°
27
72°
55°
28
72°
54°
29
69°
54°
30
69°
51°
1
63°
51°
2
65°
50°
3
65°
51°
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 62° to 86°, with overnight lows between 49° and 58°. The average high for September is 70° with an average low of 53°. 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.
