S
M
T
W
T
F
S
30
91°
67°
31
83°
64°
1
N/A
2
87°
59°
3
85°
61°
4
86°
62°
5
89°
69°
6
87°
67°
7
92°
66°
8
91°
65°
9
89°
62°
10
89°
62°
11
87°
61°
12
86°
62°
13
86°
61°
14
88°
61°
15
91°
60°
16
93°
64°
17
93°
63°
18
85°
58°
19
86°
59°
20
89°
60°
21
91°
62°
22
89°
62°
23
88°
63°
24
86°
60°
25
87°
62°
26
91°
63°
27
90°
63°
28
90°
62°
29
89°
61°
30
90°
62°
1
89°
61°
2
88°
61°
3
86°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Chino Hills
Chino Hills's September 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 58° and 69°. The average high for September is 89° 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 Chino Hills. See also: October | November | December.
