S
M
T
W
T
F
S
30
41°
31°
31
40°
30°
1
39°
31°
2
39°
30°
3
40°
31°
4
38°
30°
5
38°
33°
6
40°
35°
7
42°
34°
8
44°
32°
9
40°
29°
10
39°
36°
11
39°
37°
12
44°
38°
13
45°
39°
14
46°
40°
15
48°
37°
16
47°
36°
17
45°
35°
18
44°
33°
19
40°
32°
20
39°
30°
21
36°
29°
22
37°
27°
23
34°
20°
24
35°
24°
25
33°
23°
26
31°
22°
27
29°
21°
28
29°
21°
29
30°
20°
30
29°
20°
1
28°
19°
2
27°
23°
3
28°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deadhorse
Deadhorse's September 2026 forecast shows daily high temperatures ranging from 27° to 48°, with overnight lows between 19° and 40°. The average high for September is 38° with an average low of 30°. 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 Deadhorse. See also: October | November | December.
