S
M
T
W
T
F
S
30
73°
52°
31
73°
55°
1
74°
53°
2
73°
54°
3
73°
54°
4
70°
51°
5
70°
52°
6
71°
53°
7
69°
53°
8
72°
59°
9
73°
51°
10
74°
50°
11
71°
51°
12
70°
50°
13
71°
54°
14
76°
56°
15
77°
55°
16
76°
56°
17
77°
57°
18
76°
54°
19
66°
47°
20
64°
46°
21
Hist. Avg.
71°
50°
22
Hist. Avg.
70°
49°
23
Hist. Avg.
70°
48°
24
Hist. Avg.
70°
48°
25
Hist. Avg.
69°
48°
26
Hist. Avg.
69°
47°
27
Hist. Avg.
68°
47°
28
Hist. Avg.
68°
46°
29
Hist. Avg.
67°
46°
30
Hist. Avg.
67°
45°
1
Hist. Avg.
66°
45°
2
Hist. Avg.
66°
44°
3
Hist. Avg.
65°
44°
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 64° to 77°, with overnight lows between 46° and 59°. The average high for September is 72° 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.
