S
M
T
W
T
F
S
30
89°
67°
31
90°
67°
1
91°
66°
2
88°
66°
3
93°
68°
4
92°
70°
5
93°
70°
6
92°
69°
7
90°
68°
8
91°
70°
9
90°
68°
10
90°
68°
11
89°
67°
12
85°
67°
13
89°
66°
14
89°
67°
15
88°
66°
16
89°
66°
17
89°
65°
18
88°
65°
19
87°
64°
20
83°
64°
21
87°
63°
22
87°
64°
23
86°
64°
24
87°
63°
25
87°
62°
26
86°
61°
27
88°
62°
28
86°
62°
29
85°
61°
30
84°
61°
1
85°
59°
2
86°
61°
3
Hist. Avg.
82°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jeff Davis
Jeff Davis's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 59° and 70°. The average high for September is 88° with an average low of 65°. 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 Jeff Davis. See also: October | November | December.
