S
M
T
W
T
F
S
30
72°
54°
31
74°
57°
1
73°
56°
2
72°
55°
3
69°
52°
4
65°
52°
5
66°
50°
6
65°
50°
7
69°
49°
8
68°
52°
9
71°
52°
10
69°
51°
11
68°
51°
12
67°
53°
13
64°
53°
14
63°
52°
15
63°
53°
16
67°
53°
17
66°
52°
18
68°
48°
19
67°
50°
20
64°
51°
21
65°
45°
22
64°
44°
23
63°
44°
24
63°
45°
25
64°
44°
26
66°
48°
27
66°
50°
28
63°
45°
29
60°
45°
30
64°
50°
1
58°
49°
2
63°
42°
3
60°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Herforst
Herforst's September 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 42° and 57°. The average high for September is 66° 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 Herforst. See also: October | November | December.