S
M
T
W
T
F
S
30
82°
46°
31
81°
45°
1
80°
44°
2
81°
44°
3
75°
43°
4
72°
44°
5
72°
44°
6
71°
43°
7
71°
41°
8
72°
41°
9
70°
40°
10
71°
42°
11
72°
42°
12
72°
40°
13
71°
41°
14
73°
41°
15
71°
43°
16
71°
39°
17
70°
40°
18
71°
41°
19
74°
42°
20
72°
38°
21
70°
32°
22
67°
36°
23
67°
35°
24
68°
31°
25
67°
34°
26
72°
38°
27
69°
35°
28
69°
35°
29
71°
31°
30
65°
33°
1
69°
37°
2
69°
36°
3
64°
34°
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 64° to 82°, with overnight lows between 31° and 46°. The average high for September is 71° with an average low of 39°. 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.
