S
M
T
W
T
F
S
30
76°
57°
31
77°
55°
1
69°
53°
2
67°
52°
3
67°
51°
4
69°
51°
5
72°
54°
6
76°
55°
7
76°
54°
8
75°
54°
9
74°
55°
10
73°
54°
11
74°
54°
12
74°
53°
13
72°
54°
14
65°
39°
15
63°
41°
16
65°
43°
17
67°
42°
18
67°
42°
19
64°
46°
20
64°
49°
21
70°
49°
22
71°
45°
23
70°
38°
24
65°
36°
25
60°
43°
26
68°
46°
27
69°
46°
28
68°
37°
29
61°
34°
30
57°
35°
1
57°
44°
2
61°
44°
3
60°
37°
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 57° to 77°, with overnight lows between 34° and 57°. The average high for September is 68° with an average low of 47°. 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.
