S
M
T
W
T
F
S
30
68°
63°
31
76°
63°
1
83°
67°
2
82°
64°
3
79°
55°
4
77°
53°
5
75°
51°
6
72°
54°
7
73°
53°
8
68°
52°
9
69°
53°
10
73°
53°
11
70°
52°
12
69°
50°
13
66°
51°
14
67°
48°
15
69°
54°
16
72°
53°
17
71°
50°
18
64°
48°
19
67°
52°
20
72°
54°
21
72°
54°
22
71°
53°
23
72°
52°
24
70°
51°
25
70°
51°
26
69°
50°
27
70°
51°
28
70°
50°
29
68°
48°
30
64°
48°
1
63°
47°
2
67°
49°
3
67°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Hamburg
New Hamburg's September 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 47° and 67°. 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 New Hamburg. See also: October | November | December.
