S
M
T
W
T
F
S
30
93°
73°
31
92°
73°
1
90°
74°
2
92°
75°
3
91°
76°
4
92°
74°
5
93°
74°
6
91°
74°
7
89°
74°
8
92°
73°
9
92°
73°
10
91°
74°
11
90°
73°
12
89°
72°
13
91°
73°
14
90°
74°
15
89°
72°
16
90°
73°
17
91°
72°
18
89°
72°
19
90°
71°
20
89°
72°
21
88°
71°
22
86°
73°
23
85°
71°
24
85°
72°
25
86°
72°
26
86°
71°
27
87°
72°
28
86°
72°
29
87°
71°
30
86°
72°
1
84°
71°
2
85°
71°
3
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St. Leo
St. Leo's September 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 71° and 74°. The average high for September is 88° with an average low of 72°. 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 St. Leo. See also: October | November | December.
