S
M
T
W
T
F
S
30
81°
68°
31
91°
68°
1
90°
68°
2
88°
66°
3
82°
69°
4
85°
70°
5
82°
62°
6
82°
61°
7
N/A
8
78°
69°
9
81°
51°
10
77°
51°
11
78°
60°
12
78°
56°
13
72°
57°
14
72°
55°
15
66°
48°
16
68°
48°
17
66°
49°
18
67°
47°
19
69°
47°
20
68°
49°
21
71°
48°
22
70°
53°
23
72°
52°
24
74°
53°
25
74°
53°
26
71°
52°
27
73°
53°
28
75°
54°
29
72°
53°
30
72°
53°
1
68°
47°
2
60°
43°
3
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mauston
Mauston's September 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 39° and 69°. The average high for September is 71° 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 Mauston. See also: October | November | December.
