S
M
T
W
T
F
S
30
96°
62°
31
99°
70°
1
100°
72°
2
100°
73°
3
99°
73°
4
100°
75°
5
102°
73°
6
100°
73°
7
94°
65°
8
99°
75°
9
100°
76°
10
87°
70°
11
92°
68°
12
93°
69°
13
95°
70°
14
93°
69°
15
88°
64°
16
83°
63°
17
86°
65°
18
88°
64°
19
86°
64°
20
82°
59°
21
87°
65°
22
85°
64°
23
85°
63°
24
86°
64°
25
86°
65°
26
85°
64°
27
84°
63°
28
85°
63°
29
84°
62°
30
84°
62°
1
80°
56°
2
71°
51°
3
71°
49°
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 71° to 100°, with overnight lows between 49° and 76°. The average high for September is 87° with an average low of 64°. 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.
