S
M
T
W
T
F
S
30
67°
50°
31
75°
50°
1
75°
56°
2
65°
50°
3
66°
50°
4
68°
48°
5
69°
51°
6
72°
52°
7
70°
54°
8
69°
52°
9
72°
51°
10
71°
53°
11
71°
53°
12
70°
51°
13
70°
52°
14
68°
48°
15
70°
50°
16
65°
51°
17
65°
51°
18
66°
50°
19
64°
50°
20
64°
47°
21
63°
45°
22
61°
46°
23
62°
42°
24
62°
42°
25
64°
44°
26
65°
46°
27
69°
49°
28
66°
49°
29
61°
47°
30
65°
48°
1
67°
48°
2
62°
47°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cassidy
Cassidy's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 42° and 56°. The average high for September is 67° with an average low of 49°. 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 Cassidy. See also: October | November | December.
