S
M
T
W
T
F
S
30
86°
59°
31
86°
63°
1
89°
64°
2
92°
64°
3
92°
61°
4
85°
63°
5
86°
60°
6
88°
58°
7
85°
57°
8
86°
59°
9
88°
60°
10
91°
62°
11
91°
62°
12
90°
61°
13
93°
62°
14
92°
58°
15
86°
58°
16
87°
62°
17
90°
62°
18
90°
61°
19
91°
60°
20
91°
61°
21
90°
62°
22
86°
58°
23
83°
55°
24
81°
54°
25
80°
53°
26
81°
55°
27
80°
58°
28
83°
56°
29
87°
53°
30
80°
54°
1
Hist. Avg.
83°
57°
2
Hist. Avg.
83°
57°
3
Hist. Avg.
82°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oakley
Oakley's September 2026 forecast shows daily high temperatures ranging from 80° to 93°, with overnight lows between 53° and 64°. The average high for September is 87° with an average low of 59°. 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 Oakley. See also: October | November | December.
