S
M
T
W
T
F
S
30
77°
46°
31
72°
45°
1
70°
48°
2
72°
52°
3
70°
46°
4
70°
52°
5
68°
52°
6
76°
47°
7
72°
46°
8
69°
45°
9
68°
43°
10
67°
49°
11
68°
42°
12
67°
42°
13
65°
41°
14
66°
49°
15
70°
48°
16
69°
39°
17
70°
39°
18
62°
38°
19
61°
39°
20
62°
41°
21
62°
42°
22
60°
41°
23
60°
43°
24
64°
43°
25
65°
44°
26
67°
46°
27
68°
41°
28
67°
35°
29
58°
35°
30
57°
42°
1
58°
43°
2
63°
44°
3
64°
42°
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 57° to 77°, with overnight lows between 35° and 52°. The average high for September is 66° with an average low of 44°. 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.
