S
M
T
W
T
F
S
30
83°
59°
31
82°
59°
1
83°
58°
2
83°
55°
3
78°
57°
4
82°
58°
5
80°
58°
6
78°
57°
7
77°
57°
8
76°
52°
9
76°
49°
10
74°
51°
11
76°
57°
12
82°
56°
13
80°
57°
14
77°
55°
15
80°
55°
16
80°
55°
17
Hist. Avg.
77°
54°
18
Hist. Avg.
77°
54°
19
Hist. Avg.
76°
53°
20
Hist. Avg.
76°
53°
21
Hist. Avg.
76°
52°
22
Hist. Avg.
75°
52°
23
Hist. Avg.
75°
52°
24
Hist. Avg.
74°
51°
25
Hist. Avg.
74°
51°
26
Hist. Avg.
74°
51°
27
Hist. Avg.
73°
50°
28
Hist. Avg.
73°
50°
29
Hist. Avg.
72°
49°
30
Hist. Avg.
72°
49°
1
Hist. Avg.
72°
49°
2
Hist. Avg.
71°
48°
3
Hist. Avg.
71°
48°
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 74° to 83°, with overnight lows between 49° and 59°. The average high for September is 79° with an average low of 56°. 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.