S
M
T
W
T
F
S
30
96°
66°
31
92°
67°
1
96°
67°
2
96°
66°
3
95°
66°
4
93°
63°
5
91°
61°
6
90°
63°
7
89°
59°
8
87°
60°
9
88°
61°
10
89°
63°
11
91°
65°
12
94°
64°
13
95°
64°
14
93°
60°
15
91°
60°
16
89°
64°
17
89°
66°
18
92°
66°
19
93°
65°
20
93°
65°
21
92°
64°
22
88°
63°
23
88°
59°
24
86°
58°
25
85°
57°
26
83°
59°
27
82°
61°
28
86°
59°
29
85°
59°
30
84°
57°
1
Hist. Avg.
86°
60°
2
Hist. Avg.
86°
60°
3
Hist. Avg.
86°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Northridge
Northridge's September 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 57° and 67°. The average high for September is 90° 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 Northridge. See also: October | November | December.
