S
M
T
W
T
F
S
30
76°
60°
31
74°
61°
1
75°
60°
2
77°
56°
3
71°
53°
4
71°
56°
5
72°
57°
6
74°
59°
7
79°
59°
8
79°
57°
9
70°
54°
10
71°
58°
11
69°
47°
12
68°
50°
13
67°
49°
14
69°
47°
15
68°
46°
16
66°
45°
17
67°
46°
18
67°
44°
19
66°
42°
20
64°
42°
21
65°
43°
22
66°
45°
23
69°
48°
24
72°
52°
25
75°
53°
26
75°
52°
27
70°
47°
28
73°
51°
29
65°
40°
30
64°
49°
1
63°
51°
2
72°
38°
3
73°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Romeo
Romeo's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 38° and 61°. The average high for September is 70° with an average low of 50°. 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 Romeo. See also: October | November | December.