S
M
T
W
T
F
S
30
86°
69°
31
90°
70°
1
95°
75°
2
93°
72°
3
95°
72°
4
95°
69°
5
87°
62°
6
82°
56°
7
80°
60°
8
86°
66°
9
90°
69°
10
83°
59°
11
84°
58°
12
83°
61°
13
80°
59°
14
82°
60°
15
81°
57°
16
80°
54°
17
79°
59°
18
74°
59°
19
78°
59°
20
75°
58°
21
77°
58°
22
77°
57°
23
75°
53°
24
73°
54°
25
78°
57°
26
74°
49°
27
67°
46°
28
66°
45°
29
65°
45°
30
66°
44°
1
65°
43°
2
66°
49°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fishers
Fishers's September 2026 forecast shows daily high temperatures ranging from 65° to 95°, with overnight lows between 43° and 72°. The average high for September is 78° 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 Fishers. See also: October | November | December.
