S
M
T
W
T
F
S
30
78°
55°
31
79°
59°
1
82°
56°
2
78°
55°
3
77°
62°
4
82°
63°
5
83°
63°
6
83°
60°
7
77°
55°
8
76°
54°
9
78°
61°
10
76°
60°
11
79°
61°
12
77°
60°
13
80°
55°
14
74°
51°
15
73°
51°
16
73°
52°
17
74°
53°
18
77°
57°
19
79°
59°
20
80°
58°
21
74°
54°
22
78°
57°
23
75°
56°
24
79°
49°
25
71°
48°
26
70°
54°
27
78°
54°
28
76°
55°
29
77°
55°
30
Hist. Avg.
73°
48°
1
Hist. Avg.
72°
48°
2
Hist. Avg.
72°
47°
3
Hist. Avg.
72°
47°
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 70° to 83°, with overnight lows between 48° and 63°. The average high for September is 77° with an average low of 56°. 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.
