S
M
T
W
T
F
S
30
73°
57°
31
72°
56°
1
73°
57°
2
74°
58°
3
76°
58°
4
77°
59°
5
77°
59°
6
78°
60°
7
78°
60°
8
77°
59°
9
77°
59°
10
72°
58°
11
72°
60°
12
76°
61°
13
77°
60°
14
78°
60°
15
77°
59°
16
77°
58°
17
75°
59°
18
76°
59°
19
77°
61°
20
71°
53°
21
70°
52°
22
Hist. Avg.
75°
57°
23
Hist. Avg.
75°
57°
24
Hist. Avg.
74°
57°
25
Hist. Avg.
74°
57°
26
Hist. Avg.
74°
57°
27
Hist. Avg.
74°
57°
28
Hist. Avg.
74°
57°
29
Hist. Avg.
74°
56°
30
Hist. Avg.
74°
56°
1
Hist. Avg.
74°
56°
2
Hist. Avg.
74°
56°
3
Hist. Avg.
74°
56°
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 70° to 78°, with overnight lows between 52° and 61°. The average high for September is 75° with an average low of 58°. 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.
