S
M
T
W
T
F
S
30
78°
62°
31
83°
64°
1
83°
64°
2
82°
63°
3
83°
57°
4
82°
55°
5
75°
56°
6
76°
62°
7
77°
61°
8
80°
62°
9
81°
61°
10
78°
60°
11
80°
59°
12
80°
60°
13
79°
60°
14
79°
61°
15
80°
60°
16
80°
54°
17
78°
59°
18
76°
55°
19
77°
52°
20
72°
50°
21
69°
48°
22
69°
55°
23
70°
53°
24
74°
48°
25
68°
47°
26
67°
47°
27
70°
51°
28
73°
54°
29
74°
50°
30
73°
49°
1
65°
52°
2
66°
44°
3
65°
48°
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 65° to 83°, with overnight lows between 44° and 64°. The average high for September is 75° 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 West Hartford. See also: October | November | December.
