S
M
T
W
T
F
S
30
94°
72°
31
95°
73°
1
92°
67°
2
87°
66°
3
87°
63°
4
89°
65°
5
90°
68°
6
83°
64°
7
85°
66°
8
87°
66°
9
89°
65°
10
89°
66°
11
88°
66°
12
89°
65°
13
87°
65°
14
87°
64°
15
88°
65°
16
88°
65°
17
87°
64°
18
88°
64°
19
83°
62°
20
85°
63°
21
86°
63°
22
85°
62°
23
86°
62°
24
80°
57°
25
80°
61°
26
76°
61°
27
79°
58°
28
82°
60°
29
83°
60°
30
78°
59°
1
83°
56°
2
74°
52°
3
80°
60°
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 74° to 95°, with overnight lows between 52° and 73°. The average high for September is 85° 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 Jackson. See also: October | November | December.
