S
M
T
W
T
F
S
30
71°
43°
31
80°
52°
1
86°
58°
2
88°
63°
3
87°
57°
4
60°
45°
5
N/A
6
61°
40°
7
63°
34°
8
64°
35°
9
66°
37°
10
70°
38°
11
60°
35°
12
68°
41°
13
69°
44°
14
75°
47°
15
76°
47°
16
68°
41°
17
61°
34°
18
64°
45°
19
55°
34°
20
58°
37°
21
65°
41°
22
66°
44°
23
67°
42°
24
61°
39°
25
54°
38°
26
61°
41°
27
64°
41°
28
58°
35°
29
56°
38°
30
62°
41°
1
62°
40°
2
54°
38°
3
57°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sumber
Sumber's September 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 34° and 47°. The average high for September is 63° with an average low of 39°. 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 Sumber. See also: October | November | December.
