S
M
T
W
T
F
S
30
80°
57°
31
79°
55°
1
75°
50°
2
74°
51°
3
77°
52°
4
76°
53°
5
74°
56°
6
75°
54°
7
75°
53°
8
74°
55°
9
74°
55°
10
77°
51°
11
74°
51°
12
78°
50°
13
78°
51°
14
77°
52°
15
75°
49°
16
72°
51°
17
72°
52°
18
73°
52°
19
74°
53°
20
75°
52°
21
75°
53°
22
76°
54°
23
75°
53°
24
76°
54°
25
78°
54°
26
73°
55°
27
78°
55°
28
79°
54°
29
79°
54°
30
78°
53°
1
79°
54°
2
79°
54°
3
78°
53°
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 72° to 80°, with overnight lows between 49° and 57°. The average high for September is 76° with an average low of 53°. 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.