S
M
T
W
T
F
S
30
76°
57°
31
77°
62°
1
79°
64°
2
75°
65°
3
83°
65°
4
84°
63°
5
80°
58°
6
78°
55°
7
75°
58°
8
82°
61°
9
80°
59°
10
79°
61°
11
76°
54°
12
74°
56°
13
76°
60°
14
80°
54°
15
72°
57°
16
71°
59°
17
70°
57°
18
71°
55°
19
75°
50°
20
71°
54°
21
73°
51°
22
74°
55°
23
75°
50°
24
76°
50°
25
76°
57°
26
75°
56°
27
74°
58°
28
75°
56°
29
75°
49°
30
68°
53°
1
73°
57°
2
74°
53°
3
73°
49°
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 68° to 84°, with overnight lows between 49° and 65°. The average high for September is 76° with an average low of 57°. 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.
