S
M
T
W
T
F
S
30
71°
62°
31
80°
66°
1
81°
68°
2
78°
62°
3
77°
57°
4
74°
58°
5
74°
61°
6
72°
58°
7
67°
57°
8
65°
56°
9
68°
57°
10
70°
58°
11
64°
54°
12
65°
53°
13
64°
55°
14
66°
51°
15
72°
58°
16
72°
57°
17
68°
56°
18
66°
56°
19
71°
57°
20
71°
56°
21
70°
57°
22
71°
57°
23
71°
56°
24
69°
56°
25
70°
55°
26
69°
54°
27
70°
55°
28
70°
53°
29
67°
52°
30
64°
52°
1
66°
53°
2
67°
53°
3
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ossineke
Ossineke's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 51° and 68°. The average high for September is 70° 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 Ossineke. See also: October | November | December.