S
M
T
W
T
F
S
30
102°
68°
31
104°
75°
1
102°
73°
2
102°
73°
3
102°
73°
4
102°
73°
5
104°
72°
6
106°
72°
7
102°
73°
8
104°
75°
9
104°
79°
10
79°
70°
11
91°
68°
12
95°
70°
13
95°
70°
14
99°
73°
15
100°
79°
16
100°
75°
17
99°
73°
18
99°
73°
19
99°
70°
20
97°
70°
21
86°
65°
22
85°
58°
23
84°
57°
24
86°
60°
25
86°
65°
26
84°
61°
27
84°
56°
28
84°
57°
29
82°
56°
30
82°
54°
1
78°
55°
2
77°
50°
3
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jay
Jay's September 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 50° and 65°. The average high for September is 83° with an average low of 58°. 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 Jay. See also: October | November | December.
