S
M
T
W
T
F
S
31
79°
57°
1
75°
54°
2
68°
50°
3
54°
37°
4
52°
34°
5
48°
39°
6
57°
34°
7
59°
34°
8
66°
32°
9
70°
50°
10
68°
41°
11
57°
48°
12
64°
52°
13
73°
50°
14
73°
55°
15
75°
54°
16
82°
52°
17
79°
52°
18
59°
52°
19
54°
52°
20
64°
52°
21
72°
54°
22
63°
54°
23
70°
46°
24
75°
43°
25
79°
45°
26
64°
43°
27
70°
43°
28
73°
39°
29
81°
43°
30
64°
54°
1
70°
48°
2
79°
46°
3
79°
50°
4
81°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Duluth Township
Duluth Township's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Duluth Township. See also: October | November | December.
