S
M
T
W
T
F
S
30
70°
61°
31
75°
57°
1
71°
60°
2
70°
65°
3
72°
66°
4
70°
55°
5
69°
57°
6
72°
59°
7
73°
58°
8
66°
56°
9
65°
51°
10
64°
52°
11
69°
55°
12
69°
53°
13
70°
54°
14
65°
50°
15
66°
52°
16
63°
49°
17
64°
52°
18
65°
54°
19
67°
54°
20
64°
52°
21
66°
54°
22
66°
55°
23
65°
52°
24
64°
48°
25
63°
47°
26
64°
47°
27
65°
52°
28
66°
53°
29
65°
52°
30
66°
53°
1
66°
53°
2
65°
52°
3
66°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Arundel
Arundel's September 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 47° and 66°. The average high for September is 67° with an average low of 54°. 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 Arundel. See also: October | November | December.