S
M
T
W
T
F
S
30
67°
50°
31
74°
46°
1
73°
51°
2
77°
43°
3
80°
44°
4
85°
43°
5
82°
48°
6
84°
46°
7
78°
49°
8
81°
42°
9
77°
39°
10
78°
35°
11
80°
38°
12
82°
44°
13
86°
46°
14
77°
50°
15
78°
47°
16
65°
49°
17
66°
53°
18
73°
49°
19
68°
42°
20
65°
38°
21
71°
42°
22
72°
44°
23
69°
45°
24
71°
43°
25
72°
43°
26
73°
42°
27
69°
43°
28
70°
39°
29
67°
41°
30
64°
40°
1
64°
38°
2
67°
30°
3
60°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Steamboat Springs
Steamboat Springs's September 2026 forecast shows daily high temperatures ranging from 60° to 73°, with overnight lows between 30° and 45°. The average high for September is 68° with an average low of 40°. 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 Steamboat Springs. See also: October | November | December.
