S
M
T
W
T
F
S
30
75°
57°
31
72°
55°
1
73°
54°
2
73°
50°
3
72°
52°
4
81°
59°
5
70°
54°
6
72°
45°
7
82°
52°
8
N/A
9
67°
47°
10
68°
40°
11
71°
45°
12
72°
46°
13
71°
54°
14
72°
47°
15
76°
51°
16
69°
48°
17
67°
45°
18
69°
49°
19
69°
48°
20
70°
49°
21
65°
52°
22
66°
53°
23
68°
52°
24
69°
52°
25
69°
49°
26
66°
45°
27
62°
43°
28
62°
43°
29
63°
44°
30
62°
50°
1
62°
47°
2
61°
45°
3
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Grebenau
Grebenau's September 2026 forecast shows daily high temperatures ranging from 61° to 76°, with overnight lows between 40° and 54°. The average high for September is 67° 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 Grebenau. See also: October | November | December.
