S
M
T
W
T
F
S
30
66°
57°
31
67°
57°
1
72°
56°
2
72°
55°
3
73°
52°
4
66°
51°
5
68°
54°
6
70°
48°
7
68°
55°
8
70°
54°
9
69°
54°
10
65°
50°
11
63°
50°
12
63°
48°
13
62°
50°
14
62°
47°
15
61°
53°
16
66°
54°
17
67°
54°
18
68°
53°
19
67°
48°
20
66°
47°
21
60°
50°
22
59°
47°
23
59°
51°
24
60°
44°
25
60°
51°
26
61°
53°
27
65°
50°
28
66°
43°
29
61°
46°
30
59°
44°
1
58°
43°
2
57°
42°
3
56°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hummersen
Hummersen's September 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 42° and 57°. The average high for September is 64° with an average low of 50°. 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 Hummersen. See also: October | November | December.