S
M
T
W
T
F
S
30
93°
61°
31
97°
64°
1
101°
71°
2
97°
71°
3
96°
71°
4
98°
71°
5
97°
70°
6
98°
70°
7
97°
70°
8
96°
70°
9
95°
71°
10
96°
70°
11
87°
62°
12
84°
60°
13
84°
61°
14
83°
59°
15
83°
63°
16
85°
63°
17
85°
62°
18
84°
63°
19
85°
63°
20
85°
62°
21
84°
63°
22
84°
62°
23
83°
61°
24
84°
61°
25
84°
60°
26
83°
61°
27
84°
60°
28
84°
60°
29
83°
59°
30
84°
60°
1
83°
59°
2
83°
59°
3
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leslie
Leslie's September 2026 forecast shows daily high temperatures ranging from 82° to 101°, with overnight lows between 58° and 71°. The average high for September is 88° 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 Leslie. See also: October | November | December.