S
M
T
W
T
F
S
30
90°
66°
31
88°
64°
1
84°
63°
2
88°
63°
3
88°
70°
4
91°
68°
5
84°
68°
6
72°
64°
7
79°
64°
8
81°
66°
9
81°
57°
10
81°
52°
11
82°
63°
12
73°
52°
13
70°
48°
14
64°
55°
15
72°
52°
16
73°
48°
17
66°
61°
18
64°
59°
19
61°
57°
20
66°
57°
21
57°
52°
22
61°
52°
23
70°
52°
24
61°
57°
25
64°
57°
26
63°
59°
27
66°
61°
28
70°
60°
29
67°
60°
30
70°
50°
1
64°
41°
2
63°
46°
3
64°
44°
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 63° to 70°, with overnight lows between 41° and 60°. The average high for September is 66° with an average low of 50°. 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.
