S
M
T
W
T
F
S
30
86°
51°
31
76°
50°
1
76°
55°
2
78°
56°
3
75°
50°
4
77°
58°
5
83°
54°
6
82°
49°
7
76°
49°
8
74°
48°
9
73°
46°
10
73°
54°
11
78°
47°
12
73°
47°
13
72°
46°
14
73°
53°
15
77°
52°
16
77°
45°
17
76°
43°
18
68°
42°
19
67°
45°
20
68°
46°
21
67°
46°
22
65°
43°
23
67°
48°
24
68°
47°
25
70°
50°
26
73°
50°
27
73°
43°
28
70°
40°
29
64°
43°
30
65°
49°
1
64°
50°
2
67°
47°
3
70°
42°
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 86°, with overnight lows between 40° and 58°. The average high for September is 73° with an average low of 48°. 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.
