S
M
T
W
T
F
S
30
93°
71°
31
92°
73°
1
93°
74°
2
94°
73°
3
95°
71°
4
90°
71°
5
93°
71°
6
94°
71°
7
96°
72°
8
92°
73°
9
96°
73°
10
88°
74°
11
89°
73°
12
89°
72°
13
91°
71°
14
92°
71°
15
90°
70°
16
88°
67°
17
87°
67°
18
88°
66°
19
87°
65°
20
84°
66°
21
87°
65°
22
90°
69°
23
89°
68°
24
90°
68°
25
89°
67°
26
89°
67°
27
88°
66°
28
88°
67°
29
86°
67°
30
87°
66°
1
86°
60°
2
80°
58°
3
79°
57°
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 79° to 96°, with overnight lows between 57° and 74°. The average high for September is 88° with an average low of 67°. 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.
