S
M
T
W
T
F
S
30
73°
50°
31
73°
51°
1
75°
57°
2
74°
59°
3
78°
59°
4
83°
58°
5
83°
55°
6
77°
49°
7
73°
49°
8
75°
51°
9
76°
47°
10
73°
49°
11
73°
48°
12
74°
47°
13
75°
54°
14
79°
54°
15
71°
53°
16
69°
51°
17
70°
52°
18
69°
51°
19
73°
45°
20
68°
47°
21
71°
44°
22
70°
43°
23
67°
43°
24
67°
42°
25
68°
49°
26
70°
42°
27
66°
50°
28
70°
47°
29
69°
40°
30
64°
45°
1
66°
48°
2
72°
46°
3
68°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Owego
South Owego's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 39° and 59°. The average high for September is 72° with an average low of 49°. 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 South Owego. See also: October | November | December.
