S
M
T
W
T
F
S
30
78°
65°
31
84°
69°
1
88°
68°
2
91°
71°
3
87°
66°
4
77°
66°
5
74°
59°
6
78°
55°
7
78°
50°
8
81°
67°
9
77°
63°
10
76°
50°
11
76°
57°
12
80°
60°
13
80°
61°
14
78°
68°
15
75°
54°
16
73°
53°
17
69°
52°
18
66°
46°
19
67°
46°
20
66°
45°
21
67°
49°
22
67°
55°
23
68°
54°
24
72°
55°
25
75°
55°
26
75°
54°
27
73°
54°
28
75°
55°
29
75°
56°
30
76°
56°
1
75°
53°
2
72°
48°
3
61°
44°
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 61° to 81°, with overnight lows between 44° and 68°. The average high for September is 73° with an average low of 54°. 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.
