S
M
T
W
T
F
S
30
94°
69°
31
94°
69°
1
93°
68°
2
92°
69°
3
92°
69°
4
91°
67°
5
92°
68°
6
91°
67°
7
91°
67°
8
90°
66°
9
91°
67°
10
91°
67°
11
90°
66°
12
91°
67°
13
91°
66°
14
89°
63°
15
84°
64°
16
91°
63°
17
90°
61°
18
88°
61°
19
84°
61°
20
88°
60°
21
86°
59°
22
77°
57°
23
76°
55°
24
75°
54°
25
80°
57°
26
84°
58°
27
85°
58°
28
85°
57°
29
84°
57°
30
83°
47°
1
78°
45°
2
73°
45°
3
73°
49°
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 73° to 94°, with overnight lows between 45° and 69°. The average high for September is 86° with an average low of 61°. 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.
