S
M
T
W
T
F
S
30
76°
60°
31
66°
60°
1
78°
65°
2
69°
64°
3
79°
64°
4
75°
62°
5
72°
58°
6
71°
54°
7
73°
51°
8
78°
60°
9
80°
67°
10
78°
55°
11
72°
49°
12
77°
62°
13
81°
58°
14
78°
59°
15
78°
58°
16
73°
53°
17
73°
53°
18
67°
48°
19
65°
47°
20
68°
46°
21
67°
47°
22
67°
52°
23
69°
52°
24
69°
51°
25
71°
51°
26
74°
49°
27
68°
44°
28
72°
50°
29
73°
52°
30
74°
52°
1
74°
50°
2
72°
49°
3
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Apalachin
Apalachin's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 44° and 67°. The average high for September is 73° with an average low of 52°. 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 Apalachin. See also: October | November | December.
