S
M
T
W
T
F
S
30
70°
62°
31
70°
63°
1
81°
68°
2
84°
67°
3
80°
61°
4
76°
59°
5
73°
56°
6
74°
54°
7
75°
56°
8
72°
54°
9
77°
60°
10
73°
57°
11
70°
55°
12
71°
55°
13
68°
56°
14
69°
52°
15
70°
51°
16
74°
56°
17
73°
51°
18
67°
48°
19
71°
50°
20
75°
55°
21
75°
55°
22
74°
54°
23
74°
52°
24
67°
50°
25
72°
53°
26
73°
53°
27
71°
52°
28
62°
50°
29
62°
49°
30
63°
45°
1
60°
43°
2
61°
48°
3
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in East Rochester
East Rochester's September 2026 forecast shows daily high temperatures ranging from 60° to 84°, with overnight lows between 43° and 67°. The average high for September is 71° with an average low of 53°. 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 East Rochester. See also: October | November | December.
