S
M
T
W
T
F
S
30
77°
46°
31
78°
52°
1
80°
54°
2
86°
54°
3
86°
53°
4
77°
44°
5
75°
45°
6
77°
47°
7
76°
42°
8
75°
44°
9
76°
52°
10
73°
49°
11
74°
44°
12
75°
45°
13
74°
50°
14
75°
52°
15
82°
51°
16
83°
46°
17
81°
49°
18
79°
43°
19
81°
44°
20
81°
48°
21
80°
49°
22
79°
44°
23
77°
48°
24
71°
48°
25
70°
45°
26
72°
46°
27
70°
49°
28
69°
50°
29
68°
47°
30
69°
49°
1
74°
50°
2
74°
49°
3
76°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deerhorn
Deerhorn's September 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 42° and 54°. The average high for September is 76° with an average low of 48°. 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 Deerhorn. See also: October | November | December.
