S
M
T
W
T
F
S
30
88°
70°
31
88°
70°
1
89°
69°
2
88°
68°
3
85°
65°
4
86°
69°
5
88°
69°
6
88°
68°
7
87°
69°
8
89°
69°
9
89°
68°
10
88°
69°
11
88°
69°
12
87°
68°
13
89°
69°
14
86°
61°
15
77°
60°
16
80°
65°
17
79°
61°
18
84°
57°
19
75°
56°
20
76°
57°
21
80°
56°
22
84°
57°
23
84°
60°
24
79°
55°
25
75°
62°
26
82°
61°
27
78°
62°
28
82°
59°
29
73°
52°
30
73°
52°
1
75°
55°
2
81°
55°
3
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jeffersonville
Jeffersonville's September 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 52° and 70°. The average high for September is 83° with an average low of 63°. 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 Jeffersonville. See also: October | November | December.
