S
M
T
W
T
F
S
30
91°
68°
31
93°
71°
1
94°
69°
2
92°
69°
3
92°
70°
4
93°
71°
5
93°
69°
6
92°
71°
7
92°
69°
8
91°
70°
9
92°
71°
10
91°
70°
11
90°
69°
12
90°
69°
13
89°
68°
14
86°
69°
15
89°
69°
16
86°
68°
17
87°
68°
18
87°
67°
19
89°
67°
20
88°
66°
21
87°
67°
22
88°
66°
23
86°
67°
24
89°
66°
25
88°
65°
26
88°
65°
27
89°
64°
28
87°
64°
29
86°
63°
30
86°
64°
1
85°
63°
2
87°
63°
3
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pitkin
Pitkin's September 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 59° and 71°. The average high for September is 89° with an average low of 67°. 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 Pitkin. See also: October | November | December.