S
M
T
W
T
F
S
30
83°
54°
31
74°
53°
1
74°
54°
2
75°
59°
3
75°
54°
4
76°
61°
5
79°
60°
6
81°
53°
7
78°
53°
8
73°
52°
9
72°
51°
10
72°
58°
11
74°
51°
12
75°
51°
13
71°
50°
14
70°
57°
15
74°
58°
16
78°
48°
17
78°
47°
18
68°
47°
19
67°
48°
20
68°
49°
21
67°
50°
22
66°
47°
23
65°
52°
24
67°
52°
25
67°
51°
26
73°
53°
27
72°
47°
28
73°
44°
29
65°
45°
30
64°
51°
1
65°
52°
2
69°
50°
3
70°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oakland
Oakland's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 44° and 61°. The average high for September is 72° with an average low of 52°. 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.
