S
M
T
W
T
F
S
30
70°
44°
31
71°
44°
1
68°
45°
2
68°
49°
3
71°
50°
4
73°
43°
5
73°
40°
6
68°
39°
7
66°
39°
8
64°
41°
9
65°
41°
10
66°
42°
11
64°
39°
12
66°
36°
13
71°
45°
14
62°
39°
15
Hist. Avg.
66°
41°
16
Hist. Avg.
65°
40°
17
Hist. Avg.
65°
40°
18
Hist. Avg.
64°
40°
19
Hist. Avg.
64°
39°
20
Hist. Avg.
64°
39°
21
Hist. Avg.
63°
39°
22
Hist. Avg.
63°
38°
23
Hist. Avg.
63°
38°
24
Hist. Avg.
62°
38°
25
Hist. Avg.
62°
38°
26
Hist. Avg.
62°
37°
27
Hist. Avg.
61°
37°
28
Hist. Avg.
61°
37°
29
Hist. Avg.
61°
36°
30
Hist. Avg.
60°
36°
1
Hist. Avg.
60°
36°
2
Hist. Avg.
60°
35°
3
Hist. Avg.
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Colfax
Colfax's September 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 36° and 50°. The average high for September is 68° with an average low of 42°. 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 Colfax. See also: October | November | December.