S
M
T
W
T
F
S
30
93°
74°
31
93°
74°
1
92°
73°
2
93°
73°
3
93°
72°
4
92°
73°
5
93°
72°
6
92°
72°
7
93°
71°
8
93°
72°
9
92°
72°
10
94°
71°
11
93°
72°
12
92°
73°
13
93°
72°
14
92°
68°
15
89°
69°
16
90°
69°
17
91°
68°
18
92°
61°
19
81°
58°
20
80°
58°
21
83°
62°
22
85°
61°
23
88°
64°
24
87°
63°
25
85°
64°
26
87°
63°
27
86°
63°
28
86°
62°
29
78°
57°
30
78°
59°
1
83°
61°
2
85°
61°
3
85°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Patoka
Patoka's September 2026 forecast shows daily high temperatures ranging from 78° to 94°, with overnight lows between 57° and 74°. The average high for September is 89° with an average low of 67°. 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 Patoka. See also: October | November | December.