S
M
T
W
T
F
S
30
84°
50°
31
81°
48°
1
77°
49°
2
79°
50°
3
82°
54°
4
83°
51°
5
84°
49°
6
78°
48°
7
Hist. Avg.
82°
51°
8
Hist. Avg.
82°
51°
9
Hist. Avg.
82°
50°
10
Hist. Avg.
81°
50°
11
Hist. Avg.
81°
50°
12
Hist. Avg.
80°
50°
13
Hist. Avg.
80°
49°
14
Hist. Avg.
80°
49°
15
Hist. Avg.
79°
48°
16
Hist. Avg.
79°
48°
17
Hist. Avg.
79°
48°
18
Hist. Avg.
78°
48°
19
Hist. Avg.
78°
47°
20
Hist. Avg.
77°
47°
21
Hist. Avg.
77°
46°
22
Hist. Avg.
76°
46°
23
Hist. Avg.
76°
46°
24
Hist. Avg.
76°
45°
25
Hist. Avg.
75°
45°
26
Hist. Avg.
74°
44°
27
Hist. Avg.
74°
44°
28
Hist. Avg.
74°
44°
29
Hist. Avg.
73°
43°
30
Hist. Avg.
73°
43°
1
Hist. Avg.
72°
42°
2
Hist. Avg.
72°
42°
3
Hist. Avg.
71°
42°
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 84°, with overnight lows between 48° and 54°. The average high for September is 81° with an average low of 50°. 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.
