S
M
T
W
T
F
S
30
93°
68°
31
88°
59°
1
85°
52°
2
87°
55°
3
86°
57°
4
85°
60°
5
88°
63°
6
86°
68°
7
91°
68°
8
91°
66°
9
89°
67°
10
89°
64°
11
94°
69°
12
93°
68°
13
92°
67°
14
91°
64°
15
94°
68°
16
93°
68°
17
93°
67°
18
89°
65°
19
86°
65°
20
88°
64°
21
90°
65°
22
91°
66°
23
89°
66°
24
86°
63°
25
82°
58°
26
81°
58°
27
80°
57°
28
82°
59°
29
84°
61°
30
83°
62°
1
82°
60°
2
85°
61°
3
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Santa Clarita
Santa Clarita's September 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 52° and 69°. The average high for September is 88° with an average low of 63°. 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 Santa Clarita. See also: October | November | December.
