S
M
T
W
T
F
S
30
90°
72°
31
94°
71°
1
94°
71°
2
97°
73°
3
98°
73°
4
97°
74°
5
97°
73°
6
96°
73°
7
91°
71°
8
92°
68°
9
91°
67°
10
94°
70°
11
90°
69°
12
90°
66°
13
89°
66°
14
90°
67°
15
84°
60°
16
79°
64°
17
81°
63°
18
77°
64°
19
77°
64°
20
78°
63°
21
79°
63°
22
84°
62°
23
82°
62°
24
81°
61°
25
80°
62°
26
80°
59°
27
78°
53°
28
74°
51°
29
73°
50°
30
75°
50°
1
74°
52°
2
75°
57°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Gate
South Gate's September 2026 forecast shows daily high temperatures ranging from 73° to 98°, with overnight lows between 50° and 74°. The average high for September is 84° with an average low of 63°. 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 South Gate. See also: October | November | December.
