S
M
T
W
T
F
S
30
93°
56°
31
90°
55°
1
89°
56°
2
90°
55°
3
89°
54°
4
88°
55°
5
88°
53°
6
87°
55°
7
87°
56°
8
88°
55°
9
88°
54°
10
89°
54°
11
88°
55°
12
87°
60°
13
88°
61°
14
93°
60°
15
93°
59°
16
92°
58°
17
89°
60°
18
90°
62°
19
93°
62°
20
94°
60°
21
92°
58°
22
90°
57°
23
89°
57°
24
90°
56°
25
90°
57°
26
88°
55°
27
84°
58°
28
81°
50°
29
81°
51°
30
Hist. Avg.
87°
56°
1
Hist. Avg.
86°
56°
2
Hist. Avg.
86°
56°
3
Hist. Avg.
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Corning
Corning's September 2026 forecast shows daily high temperatures ranging from 81° to 94°, with overnight lows between 50° and 62°. The average high for September is 89° 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.