S
M
T
W
T
F
S
30
89°
57°
31
90°
55°
1
87°
61°
2
91°
55°
3
91°
55°
4
97°
59°
5
97°
57°
6
91°
61°
7
N/A
8
88°
57°
9
82°
53°
10
91°
55°
11
93°
52°
12
84°
57°
13
84°
50°
14
74°
43°
15
76°
53°
16
78°
48°
17
72°
50°
18
74°
49°
19
78°
49°
20
80°
51°
21
79°
46°
22
83°
53°
23
83°
53°
24
79°
52°
25
73°
52°
26
77°
51°
27
81°
52°
28
80°
50°
29
77°
40°
30
65°
37°
1
65°
37°
2
64°
35°
3
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Iliff
Iliff's September 2026 forecast shows daily high temperatures ranging from 64° to 93°, with overnight lows between 35° and 57°. The average high for September is 78° with an average low of 49°. 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 Iliff. See also: October | November | December.
