S
M
T
W
T
F
S
30
65°
56°
31
65°
57°
1
66°
56°
2
67°
58°
3
67°
56°
4
68°
58°
5
69°
57°
6
64°
57°
7
69°
57°
8
67°
60°
9
69°
62°
10
69°
59°
11
68°
59°
12
65°
58°
13
64°
58°
14
65°
55°
15
66°
57°
16
62°
56°
17
67°
57°
18
67°
55°
19
61°
53°
20
64°
58°
21
65°
55°
22
67°
55°
23
62°
56°
24
61°
52°
25
60°
52°
26
61°
53°
27
60°
52°
28
61°
52°
29
62°
53°
30
62°
56°
1
61°
52°
2
62°
54°
3
68°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Merced Manor
Merced Manor's September 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 52° and 62°. The average high for September is 65° with an average low of 56°. 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 Merced Manor. See also: October | November | December.