S
M
T
W
T
F
S
30
93°
70°
31
95°
71°
1
97°
72°
2
98°
71°
3
97°
74°
4
94°
73°
5
89°
75°
6
97°
73°
7
98°
72°
8
93°
71°
9
93°
69°
10
92°
72°
11
78°
74°
12
91°
73°
13
92°
71°
14
97°
71°
15
98°
73°
16
93°
66°
17
93°
64°
18
90°
65°
19
89°
68°
20
87°
66°
21
84°
65°
22
83°
64°
23
84°
63°
24
83°
62°
25
86°
63°
26
85°
62°
27
87°
66°
28
87°
66°
29
86°
65°
30
87°
66°
1
86°
66°
2
87°
65°
3
87°
65°
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 98°, with overnight lows between 62° and 73°. The average high for September is 88° with an average low of 66°. 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.
