S
M
T
W
T
F
S
30
84°
68°
31
88°
67°
1
83°
68°
2
84°
69°
3
83°
69°
4
84°
71°
5
86°
70°
6
87°
67°
7
85°
66°
8
83°
67°
9
83°
65°
10
82°
66°
11
84°
66°
12
86°
68°
13
84°
69°
14
84°
69°
15
Hist. Avg.
86°
68°
16
Hist. Avg.
86°
67°
17
Hist. Avg.
86°
67°
18
Hist. Avg.
85°
67°
19
Hist. Avg.
85°
67°
20
Hist. Avg.
85°
66°
21
Hist. Avg.
85°
66°
22
Hist. Avg.
84°
66°
23
Hist. Avg.
84°
65°
24
Hist. Avg.
84°
65°
25
Hist. Avg.
84°
65°
26
Hist. Avg.
83°
64°
27
Hist. Avg.
83°
64°
28
Hist. Avg.
83°
64°
29
Hist. Avg.
83°
63°
30
Hist. Avg.
82°
63°
1
Hist. Avg.
82°
62°
2
Hist. Avg.
82°
62°
3
Hist. Avg.
82°
62°
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 82° to 88°, with overnight lows between 65° and 71°. The average high for September is 84° with an average low of 68°. 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.
