S
M
T
W
T
F
S
30
82°
55°
31
82°
56°
1
68°
61°
2
73°
63°
3
77°
62°
4
85°
60°
5
73°
53°
6
74°
51°
7
80°
56°
8
79°
56°
9
73°
65°
10
82°
55°
11
74°
52°
12
75°
55°
13
79°
55°
14
74°
55°
15
77°
56°
16
76°
55°
17
78°
49°
18
69°
53°
19
76°
57°
20
74°
57°
21
72°
56°
22
73°
56°
23
72°
55°
24
73°
55°
25
70°
54°
26
73°
56°
27
73°
57°
28
72°
54°
29
65°
51°
30
67°
52°
1
65°
49°
2
63°
50°
3
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Hooksett
South Hooksett's September 2026 forecast shows daily high temperatures ranging from 63° to 85°, with overnight lows between 49° and 65°. The average high for September is 73° 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 South Hooksett. See also: October | November | December.