S
M
T
W
T
F
S
30
78°
60°
31
80°
59°
1
81°
61°
2
83°
63°
3
83°
62°
4
81°
62°
5
80°
56°
6
78°
56°
7
80°
59°
8
83°
61°
9
83°
61°
10
82°
60°
11
83°
61°
12
83°
62°
13
82°
60°
14
82°
60°
15
80°
59°
16
81°
61°
17
76°
59°
18
76°
54°
19
73°
50°
20
72°
56°
21
71°
52°
22
73°
48°
23
71°
48°
24
70°
56°
25
72°
56°
26
74°
55°
27
69°
56°
28
70°
56°
29
69°
55°
30
69°
48°
1
67°
44°
2
67°
43°
3
65°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hartford City
Hartford City's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 43° and 63°. The average high for September is 76° 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 Hartford City. See also: October | November | December.
