S
M
T
W
T
F
S
30
83°
58°
31
79°
63°
1
71°
62°
2
75°
62°
3
82°
65°
4
84°
60°
5
78°
59°
6
76°
52°
7
78°
55°
8
81°
59°
9
75°
67°
10
83°
63°
11
75°
57°
12
75°
55°
13
77°
56°
14
79°
60°
15
82°
60°
16
82°
55°
17
75°
54°
18
70°
50°
19
76°
56°
20
77°
55°
21
74°
53°
22
73°
54°
23
71°
56°
24
74°
52°
25
71°
52°
26
74°
56°
27
74°
56°
28
72°
50°
29
65°
47°
30
66°
48°
1
64°
45°
2
64°
49°
3
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Hartford
East Hartford's September 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 45° and 67°. The average high for September is 75° with an average low of 55°. 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 East Hartford. See also: October | November | December.
