S
M
T
W
T
F
S
30
73°
55°
31
73°
62°
1
75°
63°
2
76°
64°
3
76°
58°
4
75°
53°
5
73°
55°
6
71°
53°
7
71°
55°
8
74°
56°
9
75°
61°
10
78°
53°
11
71°
53°
12
70°
59°
13
70°
51°
14
71°
52°
15
67°
57°
16
69°
55°
17
68°
56°
18
70°
49°
19
70°
50°
20
67°
49°
21
71°
49°
22
67°
54°
23
69°
54°
24
73°
57°
25
74°
56°
26
72°
56°
27
72°
57°
28
75°
53°
29
71°
47°
30
66°
54°
1
70°
55°
2
73°
45°
3
71°
44°
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 66° to 78°, with overnight lows between 44° and 64°. The average high for September is 72° with an average low of 54°. 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.
