S
M
T
W
T
F
S
30
89°
61°
31
86°
60°
1
81°
61°
2
80°
53°
3
80°
54°
4
79°
62°
5
81°
61°
6
87°
62°
7
86°
58°
8
87°
56°
9
78°
58°
10
77°
59°
11
79°
50°
12
87°
59°
13
86°
58°
14
87°
52°
15
Hist. Avg.
80°
53°
16
Hist. Avg.
79°
52°
17
Hist. Avg.
79°
52°
18
Hist. Avg.
78°
51°
19
Hist. Avg.
78°
51°
20
Hist. Avg.
77°
50°
21
Hist. Avg.
77°
50°
22
Hist. Avg.
76°
50°
23
Hist. Avg.
76°
49°
24
Hist. Avg.
76°
48°
25
Hist. Avg.
75°
48°
26
Hist. Avg.
75°
48°
27
Hist. Avg.
74°
47°
28
Hist. Avg.
74°
47°
29
Hist. Avg.
74°
46°
30
Hist. Avg.
73°
46°
1
Hist. Avg.
73°
45°
2
Hist. Avg.
72°
45°
3
Hist. Avg.
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Superior
Superior's September 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 50° and 62°. The average high for September is 83° with an average low of 58°. 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 Superior. See also: October | November | December.
