S
M
T
W
T
F
S
30
65°
55°
31
69°
55°
1
69°
54°
2
68°
53°
3
64°
54°
4
67°
53°
5
66°
48°
6
65°
51°
7
65°
50°
8
66°
50°
9
63°
51°
10
63°
49°
11
64°
47°
12
62°
47°
13
62°
48°
14
63°
51°
15
62°
51°
16
64°
49°
17
64°
51°
18
63°
47°
19
65°
46°
20
61°
47°
21
60°
48°
22
60°
45°
23
61°
45°
24
60°
46°
25
60°
50°
26
61°
49°
27
63°
45°
28
60°
44°
29
59°
43°
30
58°
43°
1
59°
42°
2
59°
45°
3
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Newhall
Newhall's September 2026 forecast shows daily high temperatures ranging from 58° to 69°, with overnight lows between 42° and 55°. The average high for September is 63° with an average low of 48°. 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 Newhall. See also: October | November | December.
