S
M
T
W
T
F
S
30
72°
52°
31
73°
49°
1
76°
46°
2
70°
47°
3
69°
49°
4
73°
56°
5
72°
54°
6
76°
47°
7
70°
48°
8
68°
53°
9
67°
52°
10
74°
52°
11
71°
53°
12
67°
53°
13
66°
49°
14
65°
45°
15
63°
43°
16
63°
43°
17
64°
51°
18
67°
51°
19
70°
49°
20
72°
50°
21
69°
45°
22
68°
44°
23
61°
42°
24
63°
40°
25
63°
39°
26
59°
40°
27
Hist. Avg.
63°
46°
28
Hist. Avg.
63°
45°
29
Hist. Avg.
62°
45°
30
Hist. Avg.
62°
45°
1
Hist. Avg.
62°
45°
2
Hist. Avg.
61°
44°
3
Hist. Avg.
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in New Hamburg
New Hamburg's September 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 39° and 56°. The average high for September is 68° with an average low of 48°. 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.
