S
M
T
W
T
F
S
30
76°
62°
31
75°
62°
1
75°
67°
2
76°
70°
3
76°
70°
4
83°
69°
5
82°
68°
6
80°
62°
7
77°
62°
8
76°
61°
9
75°
60°
10
73°
60°
11
74°
61°
12
73°
60°
13
76°
65°
14
78°
66°
15
77°
65°
16
73°
62°
17
72°
63°
18
73°
65°
19
74°
57°
20
73°
59°
21
73°
57°
22
77°
56°
23
70°
55°
24
70°
56°
25
71°
61°
26
71°
55°
27
72°
61°
28
70°
61°
29
68°
53°
30
68°
56°
1
67°
61°
2
73°
58°
3
71°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in City Line
City Line's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 53° and 70°. The average high for September is 74° with an average low of 61°. 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 City Line. See also: October | November | December.
