S
M
T
W
T
F
S
30
85°
47°
31
90°
49°
1
85°
54°
2
75°
48°
3
83°
48°
4
62°
55°
5
80°
56°
6
77°
54°
7
78°
44°
8
86°
34°
9
91°
49°
10
94°
58°
11
92°
56°
12
93°
54°
13
85°
54°
14
75°
38°
15
81°
43°
16
82°
41°
17
78°
44°
18
77°
41°
19
80°
44°
20
82°
53°
21
84°
55°
22
83°
54°
23
92°
60°
24
93°
58°
25
85°
54°
26
83°
52°
27
83°
52°
28
80°
51°
29
80°
50°
30
76°
49°
1
76°
48°
2
79°
47°
3
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hawthorne
Hawthorne's September 2026 forecast shows daily high temperatures ranging from 76° to 93°, with overnight lows between 47° and 60°. The average high for September is 83° with an average low of 53°. 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 Hawthorne. See also: October | November | December.
