S
M
T
W
T
F
S
30
87°
69°
31
88°
68°
1
87°
67°
2
87°
66°
3
85°
64°
4
85°
67°
5
87°
67°
6
88°
66°
7
88°
67°
8
87°
67°
9
88°
66°
10
88°
67°
11
87°
67°
12
88°
66°
13
88°
67°
14
85°
59°
15
76°
58°
16
79°
63°
17
77°
58°
18
83°
54°
19
74°
53°
20
75°
54°
21
79°
54°
22
82°
55°
23
83°
57°
24
78°
53°
25
74°
60°
26
81°
59°
27
77°
59°
28
80°
56°
29
72°
50°
30
71°
49°
1
73°
53°
2
79°
53°
3
79°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Southeast Jefferson
Southeast Jefferson's September 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 49° and 69°. The average high for September is 82° 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 Southeast Jefferson. See also: October | November | December.
