S
M
T
W
T
F
S
30
87°
66°
31
89°
68°
1
92°
68°
2
92°
69°
3
91°
69°
4
92°
68°
5
92°
69°
6
91°
67°
7
86°
66°
8
88°
62°
9
85°
64°
10
84°
66°
11
83°
64°
12
84°
69°
13
84°
67°
14
85°
64°
15
85°
61°
16
89°
61°
17
86°
61°
18
Hist. Avg.
86°
64°
19
Hist. Avg.
86°
63°
20
Hist. Avg.
86°
63°
21
Hist. Avg.
86°
63°
22
Hist. Avg.
86°
63°
23
Hist. Avg.
85°
62°
24
Hist. Avg.
85°
62°
25
Hist. Avg.
85°
62°
26
Hist. Avg.
84°
62°
27
Hist. Avg.
84°
62°
28
Hist. Avg.
84°
61°
29
Hist. Avg.
84°
61°
30
Hist. Avg.
84°
61°
1
Hist. Avg.
83°
61°
2
Hist. Avg.
83°
60°
3
Hist. Avg.
83°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Alhambra
Alhambra's September 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 61° and 69°. The average high for September is 88° with an average low of 66°. 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 Alhambra. See also: October | November | December.