S
M
T
W
T
F
S
30
85°
66°
31
87°
65°
1
87°
64°
2
88°
63°
3
88°
62°
4
85°
60°
5
85°
59°
6
84°
61°
7
84°
61°
8
85°
62°
9
86°
64°
10
85°
63°
11
87°
64°
12
88°
59°
13
Hist. Avg.
88°
63°
14
Hist. Avg.
87°
63°
15
Hist. Avg.
87°
63°
16
Hist. Avg.
87°
63°
17
Hist. Avg.
86°
63°
18
Hist. Avg.
86°
63°
19
Hist. Avg.
86°
63°
20
Hist. Avg.
86°
62°
21
Hist. Avg.
85°
62°
22
Hist. Avg.
85°
62°
23
Hist. Avg.
85°
62°
24
Hist. Avg.
84°
62°
25
Hist. Avg.
84°
62°
26
Hist. Avg.
84°
62°
27
Hist. Avg.
84°
61°
28
Hist. Avg.
83°
61°
29
Hist. Avg.
83°
61°
30
Hist. Avg.
83°
61°
1
Hist. Avg.
82°
61°
2
Hist. Avg.
82°
61°
3
Hist. Avg.
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in La Crescenta
La Crescenta's September 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 59° and 66°. The average high for September is 86° with an average low of 62°. 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 La Crescenta. See also: October | November | December.
