S
M
T
W
T
F
S
30
70°
61°
31
73°
59°
1
68°
52°
2
72°
52°
3
70°
63°
4
N/A
5
65°
48°
6
67°
54°
7
78°
59°
8
66°
53°
9
62°
48°
10
61°
50°
11
62°
51°
12
61°
49°
13
61°
47°
14
62°
50°
15
62°
50°
16
61°
49°
17
61°
47°
18
63°
46°
19
66°
53°
20
66°
52°
21
65°
50°
22
65°
51°
23
66°
52°
24
65°
50°
25
66°
52°
26
66°
52°
27
64°
51°
28
61°
52°
29
64°
51°
30
62°
47°
1
57°
46°
2
56°
43°
3
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Barntrup
Barntrup's September 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 43° and 59°. The average high for September is 63° 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 Barntrup. See also: October | November | December.
