S
M
T
W
T
F
S
30
73°
56°
31
75°
54°
1
77°
61°
2
75°
60°
3
80°
62°
4
76°
58°
5
72°
57°
6
74°
55°
7
77°
57°
8
74°
58°
9
70°
59°
10
74°
49°
11
67°
45°
12
78°
46°
13
79°
56°
14
65°
44°
15
64°
42°
16
76°
55°
17
72°
54°
18
66°
46°
19
63°
42°
20
68°
43°
21
59°
43°
22
63°
42°
23
68°
41°
24
68°
39°
25
74°
46°
26
73°
51°
27
70°
51°
28
63°
50°
29
64°
47°
30
70°
54°
1
69°
51°
2
68°
49°
3
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clarence-Rockland
Clarence-Rockland's September 2026 forecast shows daily high temperatures ranging from 63° to 74°, with overnight lows between 46° and 54°. The average high for September is 69° with an average low of 50°. 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 Clarence-Rockland. See also: October | November | December.
