S
M
T
W
T
F
S
30
91°
74°
31
94°
72°
1
91°
70°
2
89°
73°
3
92°
72°
4
92°
72°
5
91°
73°
6
91°
72°
7
87°
72°
8
87°
71°
9
91°
68°
10
88°
67°
11
87°
68°
12
88°
67°
13
86°
66°
14
85°
65°
15
86°
66°
16
85°
66°
17
86°
65°
18
88°
70°
19
88°
69°
20
85°
70°
21
Hist. Avg.
85°
64°
22
Hist. Avg.
85°
64°
23
Hist. Avg.
84°
64°
24
Hist. Avg.
84°
63°
25
Hist. Avg.
84°
63°
26
Hist. Avg.
83°
63°
27
Hist. Avg.
83°
62°
28
Hist. Avg.
83°
62°
29
Hist. Avg.
82°
61°
30
Hist. Avg.
82°
61°
1
Hist. Avg.
82°
61°
2
Hist. Avg.
81°
60°
3
Hist. Avg.
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Jackson
Jackson's September 2026 forecast shows daily high temperatures ranging from 85° to 94°, with overnight lows between 65° and 74°. The average high for September is 89° with an average low of 69°. 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.
