S
M
T
W
T
F
S
30
68°
42°
31
72°
41°
1
70°
41°
2
68°
40°
3
69°
40°
4
69°
41°
5
70°
40°
6
70°
41°
7
76°
41°
8
75°
27°
9
66°
33°
10
65°
34°
11
69°
33°
12
70°
30°
13
70°
32°
14
72°
33°
15
74°
37°
16
73°
35°
17
74°
37°
18
73°
37°
19
73°
36°
20
72°
38°
21
74°
39°
22
73°
36°
23
70°
36°
24
70°
35°
25
69°
33°
26
64°
35°
27
66°
37°
28
69°
31°
29
66°
35°
30
67°
30°
1
68°
31°
2
67°
33°
3
68°
34°
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 64° to 76°, with overnight lows between 27° and 42°. The average high for September is 70° with an average low of 36°. 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.
