S
M
T
W
T
F
S
30
86°
59°
31
83°
57°
1
81°
56°
2
80°
57°
3
80°
58°
4
81°
57°
5
80°
58°
6
78°
64°
7
81°
62°
8
84°
57°
9
78°
57°
10
78°
55°
11
77°
55°
12
78°
57°
13
77°
56°
14
76°
55°
15
77°
60°
16
77°
54°
17
79°
53°
18
79°
53°
19
76°
60°
20
81°
58°
21
Hist. Avg.
77°
55°
22
Hist. Avg.
76°
54°
23
Hist. Avg.
76°
54°
24
Hist. Avg.
76°
54°
25
Hist. Avg.
75°
53°
26
Hist. Avg.
75°
53°
27
Hist. Avg.
74°
53°
28
Hist. Avg.
74°
52°
29
Hist. Avg.
74°
52°
30
Hist. Avg.
73°
52°
1
Hist. Avg.
73°
51°
2
Hist. Avg.
72°
51°
3
Hist. Avg.
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in West Side
West Side's September 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 53° and 64°. The average high for September is 79° with an average low of 57°. 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 West Side. See also: October | November | December.
