S
M
T
W
T
F
S
30
77°
49°
31
79°
43°
1
77°
45°
2
82°
48°
3
82°
47°
4
79°
41°
5
76°
40°
6
75°
41°
7
78°
46°
8
79°
44°
9
74°
46°
10
76°
45°
11
75°
43°
12
75°
45°
13
79°
46°
14
78°
37°
15
72°
38°
16
71°
39°
17
71°
43°
18
72°
40°
19
69°
34°
20
68°
34°
21
69°
35°
22
69°
36°
23
74°
39°
24
75°
40°
25
75°
41°
26
74°
40°
27
74°
38°
28
73°
30°
29
65°
31°
30
64°
39°
1
65°
38°
2
72°
41°
3
73°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hayden
Hayden's September 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 30° and 49°. The average high for September is 74° with an average low of 41°. 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 Hayden. See also: October | November | December.
