S
M
T
W
T
F
S
30
90°
66°
31
86°
69°
1
97°
73°
2
90°
72°
3
97°
73°
4
92°
70°
5
83°
63°
6
81°
61°
7
83°
60°
8
84°
62°
9
86°
66°
10
92°
64°
11
85°
62°
12
82°
65°
13
82°
63°
14
84°
61°
15
80°
58°
16
75°
62°
17
75°
57°
18
74°
54°
19
77°
55°
20
81°
59°
21
78°
60°
22
78°
60°
23
77°
59°
24
77°
56°
25
76°
58°
26
79°
58°
27
79°
57°
28
75°
52°
29
69°
50°
30
72°
53°
1
71°
54°
2
71°
52°
3
67°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Carrollton
New Carrollton's September 2026 forecast shows daily high temperatures ranging from 67° to 97°, with overnight lows between 49° and 73°. The average high for September is 80° with an average low of 60°. 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 New Carrollton. See also: October | November | December.
