S
M
T
W
T
F
S
30
93°
68°
31
88°
59°
1
85°
56°
2
84°
54°
3
82°
56°
4
83°
59°
5
89°
56°
6
70°
65°
7
93°
65°
8
88°
67°
9
105°
75°
10
103°
70°
11
94°
65°
12
90°
59°
13
87°
58°
14
88°
64°
15
85°
65°
16
86°
67°
17
92°
69°
18
93°
68°
19
93°
67°
20
90°
67°
21
89°
66°
22
89°
62°
23
84°
65°
24
84°
65°
25
84°
64°
26
90°
65°
27
89°
64°
28
86°
62°
29
88°
64°
30
89°
65°
1
89°
65°
2
88°
64°
3
89°
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 84° to 105°, with overnight lows between 58° and 75°. The average high for September is 90° with an average low of 65°. 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.
