S
M
T
W
T
F
S
30
66°
58°
31
64°
58°
1
69°
61°
2
69°
61°
3
71°
62°
4
69°
58°
5
69°
58°
6
69°
59°
7
83°
58°
8
84°
63°
9
84°
66°
10
79°
69°
11
67°
60°
12
67°
60°
13
69°
60°
14
74°
58°
15
66°
59°
16
61°
59°
17
68°
62°
18
69°
59°
19
62°
58°
20
61°
57°
21
63°
57°
22
63°
58°
23
65°
58°
24
78°
60°
25
N/A
26
65°
58°
27
63°
58°
28
72°
53°
29
82°
56°
30
85°
57°
1
80°
58°
2
83°
57°
3
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Alameda
Alameda's September 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 53° and 60°. The average high for September is 81° 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 Alameda. See also: October | November | December.
