S
M
T
W
T
F
S
30
81°
70°
31
87°
73°
1
93°
72°
2
92°
72°
3
91°
72°
4
92°
69°
5
88°
67°
6
83°
64°
7
81°
65°
8
83°
66°
9
84°
61°
10
76°
58°
11
72°
56°
12
74°
56°
13
72°
55°
14
71°
54°
15
74°
51°
16
78°
56°
17
77°
56°
18
71°
52°
19
74°
56°
20
76°
55°
21
75°
55°
22
75°
53°
23
72°
53°
24
74°
52°
25
73°
53°
26
69°
46°
27
63°
42°
28
62°
40°
29
63°
42°
30
62°
40°
1
61°
47°
2
62°
48°
3
63°
46°
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 61° to 92°, with overnight lows between 40° and 72°. The average high for September is 74° with an average low of 55°. 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.
