S
M
T
W
T
F
S
30
90°
72°
31
93°
72°
1
96°
72°
2
97°
71°
3
95°
73°
4
95°
75°
5
90°
74°
6
96°
74°
7
92°
71°
8
94°
73°
9
94°
71°
10
91°
74°
11
82°
73°
12
88°
73°
13
92°
72°
14
94°
72°
15
94°
71°
16
90°
70°
17
89°
65°
18
92°
65°
19
94°
70°
20
91°
70°
21
91°
70°
22
91°
70°
23
89°
70°
24
79°
68°
25
81°
62°
26
83°
59°
27
87°
58°
28
86°
55°
29
90°
57°
30
91°
59°
1
91°
68°
2
84°
70°
3
85°
71°
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 84° to 85°, with overnight lows between 70° and 71°. The average high for September is 85° with an average low of 71°. 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.
