S
M
T
W
T
F
S
30
77°
46°
31
78°
45°
1
77°
42°
2
76°
44°
3
76°
46°
4
77°
41°
5
73°
42°
6
74°
41°
7
74°
43°
8
75°
44°
9
75°
44°
10
74°
39°
11
72°
41°
12
72°
41°
13
72°
42°
14
71°
41°
15
Hist. Avg.
69°
43°
16
Hist. Avg.
69°
43°
17
Hist. Avg.
68°
42°
18
Hist. Avg.
68°
42°
19
Hist. Avg.
68°
42°
20
Hist. Avg.
67°
41°
21
Hist. Avg.
67°
41°
22
Hist. Avg.
66°
40°
23
Hist. Avg.
66°
40°
24
Hist. Avg.
65°
40°
25
Hist. Avg.
65°
39°
26
Hist. Avg.
64°
39°
27
Hist. Avg.
64°
39°
28
Hist. Avg.
64°
38°
29
Hist. Avg.
63°
38°
30
Hist. Avg.
63°
38°
1
Hist. Avg.
62°
37°
2
Hist. Avg.
62°
37°
3
Hist. Avg.
62°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Oakley
Oakley's September 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 39° and 46°. The average high for September is 75° with an average low of 43°. 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.
