S
M
T
W
T
F
S
30
88°
56°
31
87°
54°
1
88°
53°
2
85°
54°
3
85°
52°
4
86°
51°
5
84°
48°
6
80°
46°
7
78°
46°
8
78°
50°
9
77°
48°
10
76°
47°
11
77°
51°
12
83°
51°
13
84°
43°
14
76°
42°
15
73°
41°
16
72°
42°
17
74°
44°
18
76°
42°
19
78°
45°
20
73°
46°
21
80°
48°
22
81°
48°
23
80°
49°
24
81°
48°
25
80°
48°
26
79°
47°
27
80°
45°
28
77°
45°
29
72°
44°
30
70°
43°
1
69°
44°
2
68°
44°
3
68°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deer Trail
Deer Trail's September 2026 forecast shows daily high temperatures ranging from 68° to 88°, with overnight lows between 32° and 56°. The average high for September is 78° with an average low of 47°. 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 Deer Trail. See also: October | November | December.
