S
M
T
W
T
F
S
30
82°
63°
31
82°
65°
1
84°
65°
2
83°
62°
3
82°
56°
4
80°
55°
5
79°
55°
6
80°
56°
7
84°
57°
8
84°
62°
9
86°
63°
10
81°
55°
11
79°
55°
12
79°
59°
13
80°
53°
14
78°
53°
15
77°
52°
16
76°
51°
17
77°
53°
18
78°
56°
19
81°
58°
20
80°
57°
21
82°
58°
22
81°
59°
23
82°
58°
24
76°
57°
25
78°
57°
26
80°
56°
27
82°
56°
28
82°
55°
29
81°
56°
30
82°
56°
1
81°
57°
2
81°
48°
3
80°
45°
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 76° to 86°, with overnight lows between 45° and 65°. The average high for September is 81° with an average low of 57°. 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.