S
M
T
W
T
F
S
30
82°
68°
31
90°
72°
1
91°
69°
2
88°
69°
3
82°
68°
4
82°
70°
5
81°
65°
6
83°
62°
7
81°
56°
8
78°
64°
9
84°
52°
10
77°
52°
11
80°
63°
12
78°
54°
13
72°
59°
14
79°
59°
15
69°
49°
16
70°
55°
17
71°
52°
18
68°
49°
19
65°
47°
20
66°
49°
21
67°
50°
22
70°
47°
23
73°
52°
24
74°
54°
25
73°
53°
26
74°
54°
27
74°
53°
28
73°
53°
29
69°
51°
30
72°
49°
1
65°
48°
2
64°
49°
3
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Reedsburg
Reedsburg's September 2026 forecast shows daily high temperatures ranging from 64° to 84°, with overnight lows between 47° and 63°. The average high for September is 72° 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 Reedsburg. See also: October | November | December.
