S
M
T
W
T
F
S
30
73°
51°
31
77°
47°
1
71°
50°
2
71°
57°
3
67°
52°
4
73°
52°
5
75°
49°
6
73°
46°
7
69°
48°
8
75°
45°
9
79°
46°
10
73°
51°
11
70°
50°
12
70°
50°
13
62°
55°
14
65°
53°
15
70°
50°
16
75°
42°
17
76°
44°
18
72°
46°
19
68°
45°
20
70°
43°
21
71°
44°
22
71°
49°
23
62°
44°
24
60°
43°
25
64°
49°
26
65°
41°
27
65°
37°
28
67°
38°
29
59°
46°
30
64°
42°
1
69°
47°
2
72°
51°
3
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Cassidy
Lake Cassidy'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 Lake Cassidy. See also: October | November | December.
