S
M
T
W
T
F
S
30
73°
64°
31
69°
62°
1
83°
67°
2
84°
67°
3
83°
67°
4
78°
64°
5
74°
60°
6
71°
51°
7
73°
48°
8
78°
60°
9
83°
67°
10
76°
50°
11
72°
47°
12
77°
57°
13
76°
56°
14
71°
53°
15
72°
52°
16
68°
50°
17
71°
49°
18
70°
51°
19
66°
49°
20
65°
45°
21
71°
51°
22
64°
50°
23
66°
50°
24
67°
49°
25
70°
49°
26
71°
46°
27
66°
42°
28
70°
48°
29
71°
49°
30
72°
49°
1
71°
48°
2
69°
47°
3
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hammondsport
Hammondsport's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 42° and 67°. The average high for September is 71° 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 Hammondsport. See also: October | November | December.
