S
M
T
W
T
F
S
30
73°
50°
31
85°
44°
1
80°
58°
2
74°
47°
3
76°
49°
4
76°
48°
5
77°
55°
6
75°
56°
7
75°
56°
8
76°
52°
9
77°
52°
10
79°
51°
11
81°
53°
12
78°
52°
13
79°
51°
14
78°
48°
15
84°
55°
16
83°
54°
17
73°
49°
18
74°
49°
19
80°
52°
20
80°
52°
21
76°
51°
22
80°
52°
23
81°
53°
24
78°
47°
25
66°
43°
26
77°
52°
27
76°
50°
28
67°
46°
29
72°
47°
30
76°
49°
1
76°
49°
2
70°
46°
3
63°
45°
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 63° to 84°, with overnight lows between 43° and 58°. The average high for September is 76° with an average low of 51°. 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.
