S
M
T
W
T
F
S
30
82°
61°
31
75°
58°
1
75°
59°
2
76°
64°
3
81°
56°
4
79°
57°
5
75°
62°
6
74°
63°
7
82°
64°
8
81°
63°
9
80°
62°
10
81°
61°
11
74°
62°
12
73°
62°
13
81°
60°
14
80°
60°
15
Hist. Avg.
73°
54°
16
Hist. Avg.
72°
53°
17
Hist. Avg.
72°
53°
18
Hist. Avg.
72°
53°
19
Hist. Avg.
71°
52°
20
Hist. Avg.
71°
52°
21
Hist. Avg.
70°
52°
22
Hist. Avg.
70°
51°
23
Hist. Avg.
70°
51°
24
Hist. Avg.
69°
51°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
50°
27
Hist. Avg.
68°
50°
28
Hist. Avg.
68°
49°
29
Hist. Avg.
68°
49°
30
Hist. Avg.
67°
49°
1
Hist. Avg.
67°
48°
2
Hist. Avg.
66°
48°
3
Hist. Avg.
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Fort Wayne
Fort Wayne's September 2026 forecast shows daily high temperatures ranging from 73° to 82°, with overnight lows between 56° and 64°. The average high for September is 78° with an average low of 61°. 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 Fort Wayne. See also: October | November | December.
