S
M
T
W
T
F
S
30
77°
55°
31
78°
55°
1
76°
56°
2
76°
56°
3
77°
57°
4
74°
56°
5
75°
56°
6
76°
55°
7
74°
54°
8
75°
52°
9
73°
53°
10
74°
59°
11
73°
52°
12
73°
52°
13
77°
51°
14
76°
58°
15
75°
57°
16
74°
54°
17
71°
50°
18
71°
49°
19
73°
51°
20
76°
56°
21
74°
53°
22
70°
52°
23
75°
53°
24
73°
54°
25
74°
53°
26
68°
46°
27
71°
47°
28
66°
46°
29
65°
45°
30
66°
46°
1
66°
45°
2
Hist. Avg.
69°
49°
3
Hist. Avg.
69°
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 65° to 78°, with overnight lows between 45° and 59°. The average high for September is 73° with an average low of 53°. 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.
