S
M
T
W
T
F
S
30
91°
70°
31
91°
72°
1
95°
72°
2
95°
68°
3
95°
72°
4
95°
69°
5
97°
70°
6
89°
71°
7
91°
71°
8
98°
70°
9
89°
62°
10
84°
62°
11
83°
64°
12
88°
63°
13
90°
67°
14
81°
58°
15
83°
61°
16
85°
60°
17
76°
52°
18
77°
55°
19
80°
57°
20
80°
58°
21
78°
57°
22
79°
56°
23
79°
56°
24
78°
55°
25
75°
53°
26
67°
46°
27
66°
44°
28
65°
42°
29
66°
47°
30
66°
43°
1
68°
52°
2
65°
48°
3
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Corning
Corning's September 2026 forecast shows daily high temperatures ranging from 63° to 98°, with overnight lows between 42° and 71°. The average high for September is 79° with an average low of 57°. 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 Corning. See also: October | November | December.
