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
N/A
9
80°
54°
10
81°
60°
11
86°
60°
12
76°
53°
13
67°
57°
14
71°
51°
15
67°
52°
16
69°
55°
17
68°
51°
18
66°
50°
19
68°
51°
20
68°
51°
21
67°
52°
22
71°
50°
23
72°
56°
24
74°
55°
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
*Temporarily Unavailable
September Weather in St. Louis Park
St. Louis Park's September 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 50° and 60°. The average high for September is 71° 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.
