S
M
T
W
T
F
S
30
97°
68°
31
95°
70°
1
94°
73°
2
90°
72°
3
97°
71°
4
94°
72°
5
96°
72°
6
94°
71°
7
97°
72°
8
96°
72°
9
98°
72°
10
94°
73°
11
93°
73°
12
94°
72°
13
93°
71°
14
92°
69°
15
93°
70°
16
88°
69°
17
87°
65°
18
89°
65°
19
87°
62°
20
84°
63°
21
86°
62°
22
91°
68°
23
90°
67°
24
90°
66°
25
89°
66°
26
89°
65°
27
88°
65°
28
88°
66°
29
87°
65°
30
87°
65°
1
84°
58°
2
77°
56°
3
77°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Olla
Olla's September 2026 forecast shows daily high temperatures ranging from 77° to 98°, with overnight lows between 54° and 73°. The average high for September is 89° with an average low of 66°. 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 Olla. See also: October | November | December.
