S
M
T
W
T
F
S
30
69°
58°
31
66°
59°
1
72°
62°
2
73°
58°
3
72°
61°
4
71°
55°
5
74°
56°
6
71°
59°
7
82°
53°
8
87°
56°
9
96°
61°
10
89°
60°
11
74°
58°
12
71°
52°
13
77°
55°
14
79°
58°
15
72°
57°
16
70°
56°
17
72°
58°
18
73°
59°
19
73°
58°
20
72°
57°
21
74°
57°
22
80°
59°
23
72°
56°
24
74°
55°
25
71°
55°
26
76°
58°
27
70°
56°
28
72°
51°
29
73°
54°
30
77°
58°
1
78°
58°
2
78°
57°
3
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Oakland-Alameda County Coliseum
Oakland-Alameda County Coliseum's September 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 51° and 60°. The average high for September is 75° 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-Alameda County Coliseum. See also: October | November | December.
