S
M
T
W
T
F
S
30
84°
61°
31
85°
62°
1
85°
62°
2
84°
61°
3
84°
62°
4
81°
61°
5
79°
60°
6
79°
60°
7
81°
58°
8
83°
60°
9
83°
60°
10
82°
59°
11
82°
59°
12
81°
58°
13
82°
60°
14
82°
60°
15
81°
59°
16
80°
59°
17
79°
58°
18
75°
56°
19
75°
50°
20
72°
54°
21
72°
57°
22
71°
48°
23
70°
47°
24
70°
53°
25
73°
55°
26
72°
55°
27
68°
50°
28
69°
49°
29
68°
52°
30
67°
54°
1
68°
45°
2
67°
44°
3
66°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harrison City
Harrison City's September 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 43° and 62°. The average high for September is 77° 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 Harrison City. See also: October | November | December.
