S
M
T
W
T
F
S
30
75°
51°
31
79°
53°
1
82°
49°
2
75°
48°
3
74°
50°
4
76°
56°
5
79°
57°
6
81°
53°
7
78°
55°
8
74°
55°
9
72°
56°
10
78°
55°
11
75°
54°
12
74°
55°
13
71°
53°
14
71°
47°
15
69°
46°
16
69°
44°
17
70°
51°
18
70°
52°
19
76°
52°
20
77°
53°
21
74°
48°
22
72°
44°
23
68°
51°
24
67°
46°
25
73°
43°
26
66°
49°
27
73°
50°
28
69°
48°
29
66°
50°
30
Hist. Avg.
69°
44°
1
Hist. Avg.
68°
44°
2
Hist. Avg.
68°
44°
3
Hist. Avg.
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Elmira
Elmira's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 43° and 57°. The average high for September is 73° with an average low of 51°. 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.
