S
M
T
W
T
F
S
30
87°
69°
31
88°
70°
1
85°
63°
2
79°
62°
3
81°
63°
4
81°
63°
5
83°
64°
6
77°
59°
7
80°
66°
8
83°
66°
9
83°
64°
10
82°
61°
11
80°
59°
12
83°
64°
13
80°
64°
14
81°
63°
15
83°
64°
16
83°
64°
17
82°
63°
18
83°
60°
19
76°
56°
20
75°
55°
21
81°
62°
22
80°
60°
23
81°
58°
24
72°
52°
25
72°
58°
26
71°
53°
27
73°
59°
28
77°
60°
29
79°
60°
30
76°
59°
1
70°
52°
2
68°
49°
3
68°
52°
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 68° to 88°, with overnight lows between 49° and 70°. The average high for September is 79° with an average low of 60°. 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.
