S
M
T
W
T
F
S
30
81°
70°
31
87°
73°
1
92°
72°
2
94°
73°
3
89°
70°
4
87°
69°
5
88°
65°
6
81°
64°
7
77°
60°
8
80°
63°
9
81°
61°
10
76°
60°
11
71°
55°
12
72°
53°
13
72°
55°
14
74°
51°
15
78°
57°
16
78°
56°
17
77°
56°
18
77°
57°
19
76°
57°
20
78°
56°
21
77°
57°
22
78°
57°
23
78°
56°
24
77°
55°
25
76°
54°
26
77°
55°
27
76°
54°
28
76°
54°
29
75°
53°
30
75°
53°
1
74°
52°
2
74°
52°
3
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Glarus
New Glarus's September 2026 forecast shows daily high temperatures ranging from 71° to 94°, with overnight lows between 51° and 73°. The average high for September is 78° with an average low of 58°. 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 New Glarus. See also: October | November | December.
