S
M
T
W
T
F
S
30
84°
63°
31
79°
50°
1
68°
48°
2
72°
50°
3
68°
54°
4
68°
54°
5
75°
55°
6
75°
55°
7
82°
59°
8
90°
64°
9
93°
73°
10
95°
73°
11
90°
70°
12
82°
57°
13
73°
48°
14
79°
57°
15
84°
55°
16
78°
51°
17
76°
54°
18
80°
56°
19
86°
63°
20
86°
62°
21
83°
63°
22
84°
62°
23
84°
64°
24
86°
65°
25
88°
65°
26
89°
66°
27
79°
59°
28
78°
54°
29
80°
56°
30
79°
57°
1
85°
60°
2
82°
58°
3
81°
58°
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 76° to 89°, with overnight lows between 51° and 66°. The average high for September is 82° with an average low of 59°. 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.
