S
M
T
W
T
F
S
30
72°
63°
31
68°
61°
1
71°
57°
2
71°
55°
3
72°
62°
4
73°
56°
5
69°
48°
6
74°
57°
7
82°
60°
8
65°
53°
9
64°
49°
10
63°
50°
11
65°
53°
12
67°
52°
13
66°
51°
14
65°
52°
15
63°
51°
16
64°
52°
17
63°
49°
18
64°
49°
19
68°
55°
20
67°
54°
21
67°
53°
22
66°
54°
23
67°
54°
24
66°
52°
25
67°
55°
26
68°
54°
27
66°
53°
28
65°
53°
29
65°
52°
30
64°
48°
1
58°
47°
2
58°
46°
3
57°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Marl
Marl's September 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 45° and 60°. The average high for September is 66° with an average low of 52°. 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 Marl. See also: October | November | December.
