S
M
T
W
T
F
S
30
72°
64°
31
70°
61°
1
70°
54°
2
72°
54°
3
73°
63°
4
73°
59°
5
70°
50°
6
73°
46°
7
86°
61°
8
77°
59°
9
64°
52°
10
66°
46°
11
66°
50°
12
72°
52°
13
68°
61°
14
72°
55°
15
82°
61°
16
66°
55°
17
66°
54°
18
66°
55°
19
72°
61°
20
66°
50°
21
68°
50°
22
64°
46°
23
70°
46°
24
N/A
25
71°
50°
26
69°
52°
27
72°
58°
28
74°
60°
29
80°
62°
30
79°
63°
1
72°
57°
2
70°
56°
3
69°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Merselo
Merselo's September 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 50° and 63°. The average high for September is 73° with an average low of 57°. 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 Merselo. See also: October | November | December.