S
M
T
W
T
F
S
30
93°
65°
31
94°
71°
1
96°
71°
2
97°
73°
3
98°
74°
4
98°
74°
5
95°
76°
6
87°
67°
7
86°
61°
8
91°
67°
9
94°
75°
10
80°
73°
11
82°
71°
12
88°
72°
13
93°
69°
14
82°
60°
15
96°
64°
16
95°
75°
17
96°
74°
18
92°
70°
19
93°
71°
20
92°
69°
21
83°
66°
22
79°
65°
23
78°
62°
24
76°
61°
25
77°
58°
26
77°
58°
27
80°
60°
28
78°
59°
29
81°
59°
30
85°
62°
1
82°
56°
2
76°
62°
3
76°
62°
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 76° to 93°, with overnight lows between 56° and 71°. The average high for September is 82° 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.
