S
M
T
W
T
F
S
30
86°
70°
31
86°
71°
1
87°
71°
2
87°
70°
3
88°
70°
4
87°
69°
5
86°
70°
6
87°
70°
7
88°
68°
8
89°
69°
9
90°
68°
10
86°
69°
11
86°
67°
12
85°
69°
13
87°
68°
14
86°
69°
15
87°
68°
16
88°
68°
17
88°
67°
18
87°
66°
19
88°
66°
20
84°
68°
21
87°
66°
22
87°
68°
23
88°
68°
24
87°
67°
25
87°
68°
26
86°
68°
27
87°
67°
28
87°
67°
29
86°
66°
30
86°
67°
1
85°
66°
2
86°
61°
3
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Olustee
Olustee's September 2026 forecast shows daily high temperatures ranging from 83° to 90°, with overnight lows between 61° and 71°. The average high for September is 87° with an average low of 68°. 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 Olustee. See also: October | November | December.