S
M
T
W
T
F
S
30
100°
72°
31
97°
72°
1
100°
72°
2
101°
72°
3
100°
72°
4
100°
73°
5
99°
73°
6
90°
68°
7
88°
68°
8
87°
68°
9
85°
68°
10
84°
68°
11
84°
68°
12
85°
69°
13
85°
67°
14
86°
68°
15
88°
67°
16
86°
70°
17
83°
68°
18
87°
69°
19
84°
69°
20
85°
68°
21
84°
69°
22
83°
69°
23
84°
68°
24
83°
69°
25
83°
68°
26
84°
69°
27
83°
69°
28
83°
68°
29
84°
68°
30
84°
67°
1
85°
67°
2
84°
69°
3
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leonardo
Leonardo's September 2026 forecast shows daily high temperatures ranging from 83° to 90°, with overnight lows between 67° and 70°. The average high for September is 85° with an average low of 68°. 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 Leonardo. See also: October | November | December.
