S
M
T
W
T
F
S
30
88°
46°
31
83°
43°
1
75°
49°
2
74°
55°
3
85°
47°
4
84°
41°
5
73°
43°
6
73°
52°
7
82°
45°
8
83°
41°
9
72°
42°
10
69°
42°
11
69°
40°
12
70°
39°
13
69°
44°
14
69°
48°
15
70°
51°
16
78°
48°
17
80°
43°
18
71°
43°
19
66°
46°
20
71°
41°
21
69°
43°
22
65°
38°
23
64°
36°
24
63°
37°
25
68°
43°
26
61°
33°
27
61°
34°
28
Hist. Avg.
66°
37°
29
Hist. Avg.
66°
37°
30
Hist. Avg.
66°
36°
1
Hist. Avg.
65°
36°
2
Hist. Avg.
64°
35°
3
Hist. Avg.
64°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Killdeer
Killdeer's September 2026 forecast shows daily high temperatures ranging from 61° to 88°, with overnight lows between 33° and 55°. The average high for September is 73° with an average low of 43°. 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 Killdeer. See also: October | November | December.
