S
M
T
W
T
F
S
30
75°
57°
31
77°
61°
1
80°
61°
2
80°
60°
3
81°
54°
4
78°
52°
5
73°
53°
6
73°
58°
7
74°
58°
8
77°
56°
9
78°
57°
10
74°
58°
11
77°
57°
12
78°
57°
13
77°
58°
14
75°
58°
15
78°
56°
16
78°
53°
17
76°
56°
18
74°
50°
19
75°
49°
20
69°
47°
21
68°
46°
22
67°
53°
23
67°
49°
24
72°
46°
25
66°
45°
26
66°
45°
27
68°
47°
28
72°
51°
29
71°
49°
30
72°
48°
1
65°
50°
2
64°
43°
3
65°
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 64° to 81°, with overnight lows between 43° and 61°. 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.
