S
M
T
W
T
F
S
30
80°
61°
31
80°
64°
1
82°
64°
2
80°
56°
3
80°
55°
4
77°
55°
5
77°
56°
6
79°
55°
7
80°
56°
8
82°
62°
9
83°
61°
10
82°
54°
11
77°
57°
12
78°
58°
13
78°
52°
14
76°
53°
15
75°
52°
16
74°
51°
17
75°
56°
18
78°
51°
19
78°
57°
20
77°
56°
21
81°
56°
22
77°
57°
23
80°
57°
24
74°
56°
25
76°
56°
26
79°
55°
27
80°
55°
28
80°
54°
29
79°
55°
30
80°
55°
1
79°
54°
2
79°
47°
3
78°
44°
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 74° to 83°, with overnight lows between 44° and 64°. The average high for September is 79° 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 Patoka. See also: October | November | December.