S
M
T
W
T
F
S
30
78°
61°
31
75°
62°
1
75°
62°
2
76°
61°
3
76°
62°
4
78°
62°
5
80°
61°
6
80°
62°
7
79°
62°
8
79°
61°
9
78°
62°
10
81°
62°
11
81°
61°
12
80°
61°
13
81°
62°
14
82°
63°
15
81°
62°
16
81°
63°
17
80°
63°
18
77°
62°
19
76°
60°
20
77°
61°
21
76°
61°
22
74°
60°
23
74°
60°
24
80°
61°
25
80°
61°
26
79°
60°
27
80°
60°
28
72°
57°
29
74°
60°
30
77°
60°
1
79°
61°
2
79°
58°
3
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leo Carrillo State Park
Leo Carrillo State Park's September 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 55° and 63°. The average high for September is 78° with an average low of 61°. 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 Leo Carrillo State Park. See also: October | November | December.
