S
M
T
W
T
F
S
30
73°
53°
31
76°
57°
1
74°
50°
2
78°
49°
3
71°
48°
4
69°
48°
5
69°
47°
6
71°
54°
7
78°
57°
8
80°
57°
9
76°
48°
10
71°
49°
11
71°
55°
12
72°
48°
13
75°
46°
14
69°
44°
15
67°
46°
16
69°
51°
17
72°
47°
18
75°
43°
19
68°
50°
20
69°
44°
21
68°
52°
22
67°
52°
23
75°
53°
24
75°
52°
25
74°
52°
26
74°
51°
27
75°
51°
28
74°
50°
29
72°
50°
30
73°
51°
1
74°
43°
2
74°
39°
3
71°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Hampton
New Hampton's September 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 39° and 57°. The average high for September is 73° with an average low of 49°. 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 Hampton. See also: October | November | December.