S
M
T
W
T
F
S
30
82°
67°
31
85°
66°
1
85°
66°
2
81°
63°
3
82°
66°
4
83°
66°
5
84°
65°
6
84°
65°
7
86°
64°
8
89°
65°
9
88°
64°
10
89°
65°
11
91°
63°
12
91°
62°
13
90°
62°
14
89°
63°
15
91°
56°
16
88°
50°
17
78°
52°
18
77°
58°
19
87°
56°
20
76°
57°
21
79°
55°
22
83°
48°
23
79°
47°
24
76°
47°
25
77°
48°
26
79°
52°
27
84°
45°
28
74°
50°
29
80°
53°
30
83°
56°
1
86°
40°
2
86°
39°
3
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cimarron
Cimarron's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 39° and 67°. The average high for September is 83° with an average low of 57°. 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 Cimarron. See also: October | November | December.
