S
M
T
W
T
F
S
30
63°
54°
31
64°
49°
1
60°
49°
2
61°
46°
3
61°
50°
4
65°
51°
5
58°
46°
6
62°
43°
7
82°
59°
8
79°
56°
9
64°
48°
10
62°
41°
11
66°
47°
12
66°
48°
13
67°
51°
14
67°
49°
15
71°
53°
16
67°
49°
17
63°
46°
18
65°
47°
19
66°
46°
20
65°
51°
21
63°
52°
22
65°
53°
23
66°
52°
24
67°
52°
25
67°
51°
26
65°
48°
27
62°
45°
28
59°
43°
29
61°
44°
30
61°
50°
1
60°
49°
2
62°
46°
3
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ilsenburg
Ilsenburg's September 2026 forecast shows daily high temperatures ranging from 59° to 82°, with overnight lows between 41° and 59°. The average high for September is 66° with an average low of 49°. 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 Ilsenburg. See also: October | November | December.
