S
M
T
W
T
F
S
30
95°
73°
31
96°
73°
1
95°
76°
2
96°
76°
3
96°
73°
4
94°
74°
5
92°
75°
6
97°
74°
7
96°
75°
8
95°
74°
9
96°
73°
10
95°
74°
11
93°
70°
12
91°
68°
13
90°
69°
14
94°
75°
15
85°
72°
16
83°
71°
17
84°
70°
18
86°
71°
19
86°
71°
20
83°
70°
21
83°
71°
22
85°
70°
23
85°
69°
24
86°
69°
25
88°
68°
26
87°
69°
27
88°
68°
28
88°
68°
29
87°
67°
30
88°
68°
1
87°
68°
2
84°
67°
3
84°
67°
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 83° to 97°, with overnight lows between 67° and 76°. The average high for September is 89° with an average low of 71°. 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.
