S
M
T
W
T
F
S
30
73°
56°
31
75°
62°
1
78°
63°
2
74°
63°
3
80°
62°
4
78°
53°
5
74°
57°
6
73°
53°
7
73°
54°
8
78°
58°
9
79°
60°
10
80°
56°
11
72°
52°
12
72°
58°
13
75°
52°
14
76°
51°
15
69°
55°
16
70°
56°
17
69°
55°
18
70°
50°
19
75°
49°
20
69°
54°
21
73°
49°
22
70°
55°
23
74°
53°
24
76°
55°
25
76°
56°
26
75°
55°
27
74°
56°
28
76°
54°
29
74°
48°
30
69°
53°
1
73°
55°
2
75°
47°
3
73°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Penfield Junction
Penfield Junction's September 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 44° and 63°. The average high for September is 74° with an average low of 55°. 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 Penfield Junction. See also: October | November | December.
