S
M
T
W
T
F
S
30
83°
58°
31
79°
63°
1
73°
61°
2
74°
63°
3
79°
64°
4
85°
59°
5
78°
59°
6
73°
59°
7
78°
60°
8
75°
57°
9
74°
58°
10
75°
61°
11
77°
60°
12
77°
58°
13
75°
58°
14
74°
55°
15
71°
54°
16
71°
59°
17
75°
54°
18
70°
51°
19
69°
50°
20
71°
54°
21
75°
58°
22
77°
59°
23
78°
58°
24
77°
55°
25
75°
54°
26
75°
55°
27
76°
56°
28
76°
56°
29
75°
51°
30
66°
47°
1
64°
46°
2
66°
53°
3
73°
54°
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 64° to 85°, with overnight lows between 46° and 64°. The average high for September is 74° 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.
