S
M
T
W
T
F
S
30
85°
60°
31
80°
61°
1
80°
60°
2
79°
60°
3
80°
65°
4
80°
60°
5
84°
60°
6
80°
59°
7
79°
58°
8
78°
59°
9
78°
58°
10
81°
63°
11
83°
64°
12
78°
63°
13
77°
63°
14
82°
63°
15
Hist. Avg.
78°
59°
16
Hist. Avg.
77°
58°
17
Hist. Avg.
77°
58°
18
Hist. Avg.
77°
58°
19
Hist. Avg.
77°
58°
20
Hist. Avg.
76°
57°
21
Hist. Avg.
76°
57°
22
Hist. Avg.
76°
57°
23
Hist. Avg.
75°
56°
24
Hist. Avg.
75°
56°
25
Hist. Avg.
75°
56°
26
Hist. Avg.
75°
55°
27
Hist. Avg.
74°
55°
28
Hist. Avg.
74°
55°
29
Hist. Avg.
74°
54°
30
Hist. Avg.
73°
54°
1
Hist. Avg.
73°
54°
2
Hist. Avg.
73°
53°
3
Hist. Avg.
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lower Marlboro
Lower Marlboro's September 2026 forecast shows daily high temperatures ranging from 77° to 85°, with overnight lows between 58° and 65°. The average high for September is 80° 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 Lower Marlboro. See also: October | November | December.
