S
M
T
W
T
F
S
30
78°
57°
31
77°
56°
1
76°
58°
2
78°
59°
3
77°
56°
4
78°
56°
5
77°
58°
6
78°
59°
7
76°
54°
8
77°
55°
9
74°
60°
10
77°
53°
11
75°
53°
12
74°
54°
13
75°
56°
14
77°
57°
15
80°
58°
16
81°
59°
17
81°
58°
18
80°
57°
19
79°
50°
20
73°
50°
21
71°
54°
22
72°
55°
23
75°
56°
24
76°
57°
25
77°
50°
26
76°
47°
27
74°
48°
28
69°
47°
29
69°
47°
30
67°
47°
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
September Weather in Oakland
Oakland's September 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 47° and 60°. The average high for September is 76° 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.
