S
M
T
W
T
F
S
30
80°
59°
31
80°
68°
1
81°
65°
2
74°
67°
3
82°
65°
4
83°
61°
5
78°
58°
6
71°
57°
7
74°
57°
8
73°
53°
9
71°
56°
10
74°
55°
11
74°
56°
12
73°
55°
13
74°
54°
14
72°
53°
15
69°
52°
16
69°
57°
17
71°
50°
18
67°
48°
19
67°
48°
20
68°
51°
21
72°
55°
22
75°
56°
23
76°
56°
24
75°
53°
25
73°
51°
26
73°
52°
27
74°
54°
28
73°
53°
29
74°
50°
30
66°
46°
1
63°
44°
2
66°
49°
3
71°
52°
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 63° to 83°, with overnight lows between 44° and 67°. The average high for September is 73° 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.
