S
M
T
W
T
F
S
30
76°
50°
31
77°
50°
1
75°
49°
2
75°
52°
3
76°
52°
4
73°
54°
5
75°
50°
6
74°
51°
7
72°
49°
8
73°
48°
9
72°
48°
10
73°
55°
11
72°
48°
12
72°
47°
13
76°
46°
14
74°
53°
15
75°
53°
16
71°
47°
17
69°
45°
18
72°
45°
19
73°
51°
20
75°
52°
21
75°
51°
22
70°
49°
23
74°
49°
24
72°
46°
25
70°
49°
26
66°
42°
27
72°
43°
28
64°
42°
29
63°
42°
30
63°
41°
1
Hist. Avg.
68°
48°
2
Hist. Avg.
68°
47°
3
Hist. Avg.
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Goffstown
Goffstown's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 41° and 55°. The average high for September is 72° 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 Goffstown. See also: October | November | December.
