S
M
T
W
T
F
S
30
75°
56°
31
75°
56°
1
76°
60°
2
76°
64°
3
77°
65°
4
83°
65°
5
83°
63°
6
82°
56°
7
79°
55°
8
75°
55°
9
75°
54°
10
73°
54°
11
74°
56°
12
72°
54°
13
77°
58°
14
78°
60°
15
78°
59°
16
73°
58°
17
72°
57°
18
73°
58°
19
75°
50°
20
72°
52°
21
73°
50°
22
76°
49°
23
69°
48°
24
69°
49°
25
70°
53°
26
69°
48°
27
68°
52°
28
68°
52°
29
66°
46°
30
67°
47°
1
66°
52°
2
72°
48°
3
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in West Hartford
West Hartford's September 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 46° and 65°. The average high for September is 74° with an average low of 54°. 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 West Hartford. See also: October | November | December.
