S
M
T
W
T
F
S
30
87°
57°
31
81°
68°
1
91°
71°
2
76°
70°
3
89°
72°
4
87°
64°
5
83°
61°
6
76°
58°
7
79°
59°
8
82°
63°
9
80°
68°
10
85°
66°
11
77°
59°
12
79°
59°
13
80°
58°
14
82°
60°
15
83°
61°
16
84°
54°
17
75°
53°
18
73°
52°
19
80°
55°
20
80°
57°
21
79°
54°
22
78°
57°
23
72°
58°
24
77°
54°
25
75°
53°
26
77°
57°
27
77°
56°
28
76°
51°
29
68°
47°
30
70°
50°
1
69°
46°
2
67°
50°
3
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ong
Ong's September 2026 forecast shows daily high temperatures ranging from 66° to 89°, with overnight lows between 46° and 72°. The average high for September is 78° with an average low of 57°. 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 Ong. See also: October | November | December.
