S
M
T
W
T
F
S
30
81°
69°
31
91°
72°
1
94°
77°
2
96°
78°
3
92°
79°
4
93°
78°
5
83°
73°
6
79°
71°
7
80°
66°
8
87°
66°
9
80°
69°
10
76°
65°
11
76°
65°
12
83°
68°
13
79°
71°
14
85°
70°
15
79°
64°
16
69°
65°
17
76°
63°
18
70°
60°
19
65°
56°
20
67°
58°
21
70°
60°
22
71°
55°
23
70°
63°
24
75°
62°
25
70°
62°
26
75°
63°
27
74°
62°
28
74°
62°
29
73°
61°
30
72°
58°
1
70°
55°
2
65°
60°
3
70°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Near South Side
Near South Side's September 2026 forecast shows daily high temperatures ranging from 65° to 85°, with overnight lows between 55° and 71°. The average high for September is 73° with an average low of 62°. 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 Near South Side. See also: October | November | December.
