S
M
T
W
T
F
S
30
87°
66°
31
87°
66°
1
86°
65°
2
87°
65°
3
85°
62°
4
80°
61°
5
81°
59°
6
83°
62°
7
86°
64°
8
86°
64°
9
85°
65°
10
86°
65°
11
86°
64°
12
85°
65°
13
84°
64°
14
85°
62°
15
86°
62°
16
85°
59°
17
82°
61°
18
76°
53°
19
75°
52°
20
76°
51°
21
76°
52°
22
78°
55°
23
79°
58°
24
81°
50°
25
77°
50°
26
74°
51°
27
75°
54°
28
78°
53°
29
77°
56°
30
79°
49°
1
74°
55°
2
78°
55°
3
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hays
Hays's September 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 49° and 66°. The average high for September is 81° with an average low of 59°. 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 Hays. See also: October | November | December.
