S
M
T
W
T
F
S
30
96°
63°
31
93°
64°
1
97°
64°
2
99°
61°
3
99°
68°
4
102°
69°
5
98°
63°
6
94°
67°
7
102°
72°
8
90°
69°
9
84°
64°
10
87°
65°
11
93°
65°
12
72°
56°
13
84°
56°
14
98°
69°
15
75°
55°
16
87°
54°
17
95°
63°
18
98°
70°
19
81°
63°
20
74°
56°
21
80°
55°
22
83°
51°
23
76°
61°
24
63°
58°
25
66°
58°
26
87°
60°
27
82°
54°
28
78°
60°
29
72°
61°
30
66°
58°
1
64°
44°
2
66°
45°
3
75°
49°
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 64° to 75°, with overnight lows between 44° and 58°. The average high for September is 68° with an average low of 49°. 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.
