S
M
T
W
T
F
S
30
90°
72°
31
93°
72°
1
96°
73°
2
94°
74°
3
93°
73°
4
89°
72°
5
93°
74°
6
96°
73°
7
93°
72°
8
91°
71°
9
90°
72°
10
94°
70°
11
89°
67°
12
90°
70°
13
90°
67°
14
94°
74°
15
90°
70°
16
89°
71°
17
85°
70°
18
85°
70°
19
86°
69°
20
84°
69°
21
85°
70°
22
84°
69°
23
86°
69°
24
86°
68°
25
89°
69°
26
84°
68°
27
83°
69°
28
86°
68°
29
81°
67°
30
82°
68°
1
81°
68°
2
81°
67°
3
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Southgate
Southgate's September 2026 forecast shows daily high temperatures ranging from 81° to 96°, with overnight lows between 67° and 74°. The average high for September is 88° with an average low of 70°. 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 Southgate. See also: October | November | December.
