S
M
T
W
T
F
S
30
81°
44°
31
74°
41°
1
70°
43°
2
69°
49°
3
71°
50°
4
77°
45°
5
77°
39°
6
64°
39°
7
64°
44°
8
67°
43°
9
70°
45°
10
67°
48°
11
71°
39°
12
66°
40°
13
64°
37°
14
62°
39°
15
64°
44°
16
69°
43°
17
70°
42°
18
71°
38°
19
60°
45°
20
71°
48°
21
72°
43°
22
72°
42°
23
70°
46°
24
71°
45°
25
72°
38°
26
67°
35°
27
55°
41°
28
59°
40°
29
66°
41°
30
61°
38°
1
55°
42°
2
64°
42°
3
55°
31°
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 55° to 81°, with overnight lows between 31° and 50°. The average high for September is 67° 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 Hays. See also: October | November | December.
