S
M
T
W
T
F
S
30
78°
56°
31
70°
64°
1
86°
66°
2
81°
67°
3
84°
66°
4
79°
57°
5
75°
54°
6
74°
49°
7
76°
54°
8
78°
60°
9
80°
63°
10
78°
59°
11
72°
55°
12
73°
56°
13
71°
58°
14
70°
53°
15
72°
60°
16
73°
55°
17
74°
47°
18
68°
45°
19
74°
47°
20
75°
53°
21
75°
53°
22
74°
52°
23
74°
49°
24
68°
46°
25
73°
50°
26
73°
52°
27
72°
50°
28
63°
47°
29
62°
44°
30
64°
42°
1
61°
40°
2
61°
44°
3
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Elmira
Elmira's September 2026 forecast shows daily high temperatures ranging from 61° to 84°, with overnight lows between 40° and 67°. The average high for September is 72° with an average low of 52°. 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 Elmira. See also: October | November | December.
