S
M
T
W
T
F
S
30
72°
55°
31
73°
58°
1
72°
60°
2
77°
61°
3
78°
61°
4
79°
60°
5
76°
59°
6
73°
58°
7
70°
58°
8
71°
57°
9
73°
58°
10
75°
57°
11
77°
58°
12
79°
58°
13
79°
57°
14
78°
57°
15
71°
55°
16
66°
54°
17
69°
55°
18
74°
55°
19
75°
56°
20
70°
56°
21
75°
49°
22
76°
49°
23
76°
47°
24
74°
48°
25
76°
43°
26
70°
51°
27
74°
53°
28
75°
54°
29
77°
42°
30
73°
37°
1
67°
39°
2
66°
45°
3
66°
45°
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 66° to 79°, with overnight lows between 37° and 61°. The average high for September is 73° with an average low of 53°. 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.
