S
M
T
W
T
F
S
30
70°
57°
31
70°
57°
1
74°
51°
2
70°
50°
3
69°
55°
4
69°
49°
5
68°
49°
6
69°
51°
7
67°
50°
8
71°
53°
9
73°
56°
10
73°
53°
11
66°
48°
12
67°
48°
13
65°
51°
14
67°
51°
15
71°
55°
16
72°
49°
17
65°
55°
18
70°
56°
19
71°
54°
20
71°
52°
21
63°
48°
22
62°
45°
23
63°
46°
24
63°
51°
25
65°
54°
26
65°
53°
27
68°
51°
28
68°
52°
29
67°
48°
30
61°
43°
1
59°
42°
2
59°
41°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hefersweiler
Hefersweiler's September 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 41° and 57°. The average high for September is 67° 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 Hefersweiler. See also: October | November | December.
