S
M
T
W
T
F
S
30
91°
62°
31
94°
68°
1
97°
69°
2
97°
72°
3
97°
72°
4
99°
71°
5
101°
71°
6
93°
71°
7
88°
59°
8
93°
72°
9
98°
75°
10
79°
66°
11
85°
64°
12
90°
69°
13
93°
68°
14
88°
66°
15
87°
61°
16
84°
62°
17
86°
63°
18
85°
63°
19
83°
61°
20
82°
57°
21
85°
63°
22
83°
62°
23
83°
62°
24
84°
61°
25
84°
64°
26
83°
62°
27
83°
62°
28
82°
61°
29
83°
62°
30
83°
61°
1
80°
56°
2
71°
51°
3
69°
48°
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 69° to 98°, with overnight lows between 48° and 75°. The average high for September is 84° with an average low of 62°. 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.
