S
M
T
W
T
F
S
30
84°
71°
31
79°
67°
1
76°
66°
2
77°
64°
3
78°
67°
4
78°
65°
5
81°
65°
6
76°
67°
7
85°
73°
8
92°
74°
9
99°
77°
10
92°
75°
11
85°
73°
12
82°
70°
13
79°
70°
14
80°
68°
15
81°
69°
16
79°
69°
17
75°
67°
18
74°
68°
19
75°
69°
20
74°
68°
21
75°
69°
22
76°
68°
23
78°
67°
24
76°
66°
25
77°
65°
26
77°
67°
27
79°
67°
28
78°
65°
29
79°
66°
30
73°
63°
1
72°
62°
2
74°
63°
3
75°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in El Segundo
El Segundo's September 2026 forecast shows daily high temperatures ranging from 72° to 79°, with overnight lows between 62° and 69°. The average high for September is 76° with an average low of 66°. 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 El Segundo. See also: October | November | December.
