S
M
T
W
T
F
S
30
91°
71°
31
90°
72°
1
86°
72°
2
86°
71°
3
88°
68°
4
87°
69°
5
88°
70°
6
88°
68°
7
89°
67°
8
88°
66°
9
90°
68°
10
89°
69°
11
92°
64°
12
89°
65°
13
89°
64°
14
90°
63°
15
86°
65°
16
90°
66°
17
90°
66°
18
89°
67°
19
90°
67°
20
90°
66°
21
88°
65°
22
84°
62°
23
83°
62°
24
83°
66°
25
82°
63°
26
82°
64°
27
83°
60°
28
86°
60°
29
85°
61°
30
86°
60°
1
87°
62°
2
87°
57°
3
86°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jackson
Jackson's September 2026 forecast shows daily high temperatures ranging from 82° to 92°, with overnight lows between 55° and 72°. The average high for September is 87° with an average low of 65°. 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 Jackson. See also: October | November | December.
