S
M
T
W
T
F
S
30
70°
63°
31
75°
57°
1
70°
57°
2
72°
54°
3
70°
59°
4
64°
59°
5
66°
55°
6
66°
52°
7
74°
61°
8
72°
56°
9
68°
52°
10
65°
52°
11
67°
53°
12
66°
55°
13
69°
56°
14
67°
56°
15
68°
55°
16
65°
52°
17
63°
51°
18
65°
51°
19
66°
52°
20
65°
54°
21
65°
55°
22
64°
56°
23
66°
56°
24
66°
55°
25
65°
54°
26
62°
53°
27
61°
50°
28
60°
50°
29
59°
48°
30
57°
53°
1
63°
52°
2
61°
50°
3
61°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kalkhorst
Kalkhorst's September 2026 forecast shows daily high temperatures ranging from 57° to 74°, with overnight lows between 48° and 61°. The average high for September is 65° with an average low of 53°. 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 Kalkhorst. See also: October | November | December.