S
M
T
W
T
F
S
30
73°
64°
31
69°
62°
1
83°
67°
2
84°
67°
3
83°
67°
4
78°
64°
5
74°
60°
6
71°
51°
7
N/A
8
76°
63°
9
82°
68°
10
75°
55°
11
71°
49°
12
79°
62°
13
79°
61°
14
77°
62°
15
76°
60°
16
72°
52°
17
72°
56°
18
70°
55°
19
69°
55°
20
66°
51°
21
67°
56°
22
66°
55°
23
67°
55°
24
69°
54°
25
73°
55°
26
73°
52°
27
66°
49°
28
72°
54°
29
73°
55°
30
74°
55°
1
73°
54°
2
72°
52°
3
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Romulus
Romulus's September 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 49° and 68°. The average high for September is 72° with an average low of 56°. 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 Romulus. See also: October | November | December.
