S
M
T
W
T
F
S
30
93°
66°
31
95°
72°
1
99°
73°
2
98°
73°
3
99°
73°
4
100°
73°
5
102°
75°
6
91°
69°
7
88°
61°
8
92°
62°
9
96°
74°
10
79°
72°
11
84°
71°
12
89°
72°
13
92°
69°
14
86°
62°
15
96°
65°
16
96°
74°
17
97°
72°
18
97°
73°
19
97°
71°
20
94°
70°
21
86°
65°
22
67°
61°
23
69°
62°
24
73°
63°
25
79°
59°
26
78°
53°
27
79°
51°
28
83°
51°
29
83°
55°
30
89°
64°
1
91°
68°
2
81°
61°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Evansville
Evansville's September 2026 forecast shows daily high temperatures ranging from 76° to 91°, with overnight lows between 51° and 68°. The average high for September is 84° with an average low of 60°. 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 Evansville. See also: October | November | December.
