S
M
T
W
T
F
S
30
85°
50°
31
77°
48°
1
76°
52°
2
80°
56°
3
76°
49°
4
75°
56°
5
75°
55°
6
82°
49°
7
78°
48°
8
75°
48°
9
74°
47°
10
73°
52°
11
73°
45°
12
74°
46°
13
72°
45°
14
73°
53°
15
78°
50°
16
74°
43°
17
74°
42°
18
69°
42°
19
68°
43°
20
68°
44°
21
69°
45°
22
66°
42°
23
67°
47°
24
71°
47°
25
73°
46°
26
73°
48°
27
74°
42°
28
73°
38°
29
64°
38°
30
65°
45°
1
64°
46°
2
68°
47°
3
70°
45°
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 38° and 56°. The average high for September is 73° with an average low of 47°. 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.
