S
M
T
W
T
F
S
30
68°
42°
31
77°
29°
1
70°
45°
2
72°
43°
3
71°
41°
4
77°
34°
5
79°
40°
6
79°
36°
7
63°
36°
8
70°
29°
9
72°
30°
10
76°
30°
11
74°
50°
12
76°
36°
13
77°
38°
14
62°
27°
15
73°
39°
16
74°
45°
17
74°
46°
18
71°
35°
19
64°
35°
20
64°
35°
21
70°
35°
22
71°
38°
23
71°
39°
24
68°
38°
25
65°
36°
26
66°
37°
27
65°
36°
28
57°
29°
29
54°
24°
30
56°
32°
1
57°
29°
2
65°
32°
3
59°
24°
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 54° to 74°, with overnight lows between 24° and 46°. The average high for September is 65° with an average low of 35°. 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.
