S
M
T
W
T
F
S
30
80°
58°
31
81°
60°
1
83°
60°
2
83°
58°
3
78°
59°
4
83°
59°
5
81°
58°
6
76°
57°
7
79°
58°
8
76°
55°
9
78°
50°
10
75°
53°
11
78°
57°
12
82°
56°
13
80°
56°
14
78°
57°
15
81°
56°
16
72°
53°
17
77°
53°
18
73°
53°
19
Hist. Avg.
76°
50°
20
Hist. Avg.
76°
50°
21
Hist. Avg.
75°
50°
22
Hist. Avg.
75°
49°
23
Hist. Avg.
74°
49°
24
Hist. Avg.
74°
48°
25
Hist. Avg.
74°
48°
26
Hist. Avg.
73°
47°
27
Hist. Avg.
73°
47°
28
Hist. Avg.
72°
46°
29
Hist. Avg.
72°
46°
30
Hist. Avg.
72°
46°
1
Hist. Avg.
71°
45°
2
Hist. Avg.
71°
45°
3
Hist. Avg.
71°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Hamden
Hamden's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 50° and 60°. The average high for September is 79° with an average low of 56°. 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 Hamden. See also: October | November | December.
