S
M
T
W
T
F
S
30
88°
78°
31
89°
77°
1
88°
77°
2
88°
78°
3
87°
78°
4
88°
77°
5
87°
78°
6
88°
76°
7
89°
77°
8
88°
76°
9
88°
77°
10
87°
77°
11
88°
76°
12
88°
76°
13
87°
77°
14
87°
77°
15
89°
76°
16
88°
77°
17
88°
77°
18
87°
78°
19
89°
78°
20
88°
76°
21
89°
77°
22
88°
76°
23
87°
77°
24
87°
76°
25
86°
77°
26
87°
77°
27
87°
78°
28
88°
78°
29
88°
77°
30
87°
77°
1
88°
76°
2
87°
77°
3
87°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Merizo
Merizo's September 2026 forecast shows daily high temperatures ranging from 86° to 89°, with overnight lows between 76° and 78°. The average high for September is 88° with an average low of 77°. 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 Merizo. See also: October | November | December.