S
M
T
W
T
F
S
30
93°
72°
31
90°
73°
1
89°
72°
2
89°
68°
3
88°
67°
4
87°
67°
5
88°
68°
6
90°
69°
7
92°
72°
8
92°
71°
9
89°
71°
10
92°
70°
11
92°
71°
12
91°
71°
13
92°
72°
14
92°
70°
15
91°
70°
16
92°
68°
17
90°
69°
18
89°
69°
19
88°
68°
20
88°
67°
21
89°
68°
22
89°
67°
23
87°
68°
24
Hist. Avg.
86°
65°
25
Hist. Avg.
86°
64°
26
Hist. Avg.
86°
64°
27
Hist. Avg.
86°
64°
28
Hist. Avg.
85°
63°
29
Hist. Avg.
85°
63°
30
Hist. Avg.
84°
62°
1
Hist. Avg.
84°
62°
2
Hist. Avg.
84°
62°
3
Hist. Avg.
83°
61°
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 87° to 93°, with overnight lows between 67° and 73°. The average high for September is 90° with an average low of 70°. 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.
