S
M
T
W
T
F
S
30
81°
64°
31
81°
63°
1
79°
64°
2
80°
67°
3
80°
69°
4
81°
64°
5
83°
64°
6
81°
63°
7
80°
62°
8
79°
61°
9
79°
63°
10
78°
66°
11
82°
61°
12
78°
60°
13
78°
60°
14
79°
61°
15
80°
66°
16
82°
65°
17
81°
60°
18
76°
58°
19
76°
59°
20
77°
63°
21
76°
58°
22
75°
60°
23
80°
62°
24
79°
63°
25
80°
64°
26
79°
56°
27
79°
56°
28
73°
54°
29
73°
54°
30
72°
54°
1
72°
55°
2
70°
53°
3
Hist. Avg.
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leonardtown
Leonardtown's September 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 53° and 69°. The average high for September is 78° 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 Leonardtown. See also: October | November | December.
