S
M
T
W
T
F
S
30
82°
66°
31
79°
68°
1
82°
68°
2
82°
67°
3
81°
66°
4
80°
62°
5
78°
62°
6
76°
63°
7
75°
60°
8
74°
61°
9
75°
62°
10
76°
64°
11
77°
65°
12
78°
64°
13
80°
64°
14
80°
62°
15
77°
62°
16
76°
65°
17
76°
67°
18
80°
67°
19
79°
66°
20
81°
67°
21
81°
67°
22
76°
66°
23
76°
62°
24
74°
61°
25
75°
60°
26
73°
61°
27
73°
63°
28
76°
62°
29
76°
62°
30
75°
60°
1
Hist. Avg.
76°
62°
2
Hist. Avg.
76°
62°
3
Hist. Avg.
75°
62°
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 73° to 82°, with overnight lows between 60° and 68°. The average high for September is 77° with an average low of 64°. 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.
