S
M
T
W
T
F
S
30
73°
54°
31
76°
56°
1
78°
59°
2
77°
60°
3
78°
60°
4
77°
57°
5
75°
57°
6
76°
56°
7
68°
53°
8
75°
57°
9
75°
59°
10
77°
58°
11
77°
58°
12
76°
57°
13
76°
58°
14
75°
56°
15
73°
55°
16
73°
55°
17
72°
52°
18
70°
46°
19
69°
44°
20
63°
48°
21
68°
43°
22
64°
42°
23
62°
45°
24
66°
50°
25
61°
52°
26
65°
54°
27
68°
52°
28
68°
52°
29
63°
53°
30
64°
42°
1
65°
38°
2
58°
37°
3
55°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sturgeon Bay Town
Sturgeon Bay Town's September 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 37° and 60°. The average high for September is 70° with an average low of 52°. 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 Sturgeon Bay Town. See also: October | November | December.
