S
M
T
W
T
F
S
30
91°
62°
31
94°
68°
1
97°
69°
2
97°
72°
3
97°
72°
4
99°
71°
5
101°
71°
6
93°
64°
7
89°
60°
8
93°
72°
9
98°
73°
10
82°
61°
11
87°
65°
12
88°
67°
13
91°
67°
14
87°
65°
15
87°
61°
16
89°
64°
17
87°
62°
18
86°
60°
19
74°
64°
20
82°
61°
21
85°
62°
22
83°
61°
23
83°
60°
24
84°
61°
25
84°
63°
26
83°
62°
27
83°
61°
28
82°
61°
29
83°
60°
30
83°
60°
1
80°
55°
2
71°
51°
3
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Chaffee
Chaffee's September 2026 forecast shows daily high temperatures ranging from 70° to 98°, with overnight lows between 47° and 73°. The average high for September is 85° with an average low of 62°. 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 Chaffee. See also: October | November | December.
