S
M
T
W
T
F
S
30
83°
53°
31
75°
53°
1
75°
59°
2
74°
56°
3
77°
53°
4
79°
59°
5
81°
58°
6
82°
51°
7
74°
50°
8
73°
49°
9
73°
50°
10
79°
54°
11
79°
51°
12
73°
50°
13
72°
48°
14
71°
56°
15
76°
55°
16
78°
47°
17
76°
46°
18
69°
45°
19
69°
46°
20
70°
51°
21
67°
52°
22
68°
46°
23
67°
49°
24
67°
45°
25
69°
53°
26
73°
53°
27
74°
44°
28
73°
43°
29
67°
50°
30
67°
50°
1
65°
51°
2
66°
48°
3
65°
42°
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 65° to 83°, with overnight lows between 42° and 59°. The average high for September is 73° with an average low of 50°. 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.
