S
M
T
W
T
F
S
30
90°
55°
31
80°
58°
1
79°
58°
2
79°
59°
3
73°
61°
4
77°
58°
5
82°
50°
6
85°
56°
7
90°
54°
8
96°
56°
9
102°
64°
10
104°
70°
11
92°
62°
12
92°
61°
13
82°
55°
14
89°
52°
15
90°
55°
16
80°
57°
17
76°
54°
18
88°
55°
19
92°
59°
20
85°
57°
21
88°
58°
22
89°
59°
23
95°
63°
24
93°
62°
25
91°
61°
26
89°
60°
27
89°
59°
28
86°
56°
29
86°
56°
30
85°
54°
1
87°
57°
2
81°
57°
3
87°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Live Oak
Live Oak's September 2026 forecast shows daily high temperatures ranging from 76° to 95°, with overnight lows between 54° and 63°. The average high for September is 87° with an average low of 58°. 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 Live Oak. See also: October | November | December.