S
M
T
W
T
F
S
31
101°
64°
1
97°
65°
2
102°
69°
3
98°
69°
4
98°
67°
5
93°
62°
6
96°
61°
7
95°
65°
8
92°
63°
9
84°
57°
10
78°
62°
11
81°
60°
12
81°
60°
13
80°
57°
14
84°
61°
15
93°
58°
16
100°
64°
17
95°
67°
18
85°
66°
19
88°
65°
20
90°
62°
21
75°
61°
22
89°
65°
23
96°
65°
24
88°
65°
25
82°
61°
26
75°
62°
27
78°
62°
28
82°
63°
29
83°
59°
30
80°
60°
1
81°
55°
2
82°
55°
3
76°
55°
4
81°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Cresta
La Cresta's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Cresta. See also: October | November | December.