S
M
T
W
T
F
S
30
72°
57°
31
72°
54°
1
72°
52°
2
68°
59°
3
79°
66°
4
68°
55°
5
70°
52°
6
81°
55°
7
70°
59°
8
64°
55°
9
66°
50°
10
65°
55°
11
69°
49°
12
70°
61°
13
71°
60°
14
72°
58°
15
67°
49°
16
63°
53°
17
65°
54°
18
64°
53°
19
66°
52°
20
68°
51°
21
68°
52°
22
66°
53°
23
68°
52°
24
66°
51°
25
63°
51°
26
61°
50°
27
65°
52°
28
64°
46°
29
59°
45°
30
58°
45°
1
59°
51°
2
62°
50°
3
63°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Merriott
Merriott's September 2026 forecast shows daily high temperatures ranging from 58° to 72°, with overnight lows between 45° and 61°. The average high for September is 65° 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 Merriott. See also: October | November | December.
