S
M
T
W
T
F
S
30
96°
69°
31
96°
72°
1
95°
74°
2
96°
74°
3
97°
74°
4
97°
73°
5
97°
73°
6
101°
74°
7
100°
76°
8
99°
74°
9
97°
73°
10
97°
72°
11
98°
75°
12
99°
75°
13
100°
75°
14
99°
73°
15
99°
75°
16
99°
75°
17
98°
72°
18
97°
68°
19
98°
67°
20
98°
72°
21
97°
76°
22
95°
72°
23
90°
72°
24
84°
63°
25
89°
61°
26
89°
64°
27
92°
63°
28
92°
66°
29
95°
61°
30
95°
67°
1
94°
70°
2
95°
74°
3
86°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in County Side
County Side's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 County Side. See also: October | November | December.