S
M
T
W
T
F
S
30
89°
68°
31
88°
67°
1
91°
69°
2
93°
67°
3
93°
72°
4
94°
71°
5
90°
68°
6
85°
68°
7
N/A
8
89°
63°
9
83°
51°
10
83°
60°
11
88°
59°
12
81°
62°
13
77°
59°
14
75°
52°
15
72°
53°
16
73°
52°
17
70°
50°
18
71°
53°
19
75°
49°
20
74°
50°
21
76°
49°
22
80°
55°
23
80°
56°
24
78°
56°
25
72°
55°
26
71°
55°
27
78°
54°
28
76°
55°
29
74°
54°
30
75°
49°
1
65°
44°
2
63°
41°
3
63°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Oakland
Oakland's September 2026 forecast shows daily high temperatures ranging from 63° to 89°, with overnight lows between 39° and 63°. The average high for September is 75° with an average low of 53°. 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 Oakland. See also: October | November | December.
