S
M
T
W
T
F
S
30
95°
68°
31
96°
66°
1
95°
64°
2
92°
65°
3
90°
67°
4
97°
66°
5
96°
66°
6
95°
68°
7
95°
69°
8
96°
66°
9
95°
66°
10
94°
65°
11
91°
68°
12
90°
67°
13
90°
67°
14
87°
66°
15
86°
66°
16
90°
65°
17
92°
66°
18
93°
65°
19
91°
64°
20
90°
65°
21
91°
66°
22
90°
65°
23
91°
64°
24
88°
64°
25
83°
63°
26
83°
63°
27
82°
62°
28
87°
57°
29
81°
56°
30
83°
54°
1
83°
52°
2
78°
51°
3
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in De Leon
De Leon's September 2026 forecast shows daily high temperatures ranging from 78° to 97°, with overnight lows between 51° and 69°. The average high for September is 90° with an average low of 64°. 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 De Leon. See also: October | November | December.
