S
M
T
W
T
F
S
30
71°
52°
31
71°
51°
1
72°
49°
2
71°
54°
3
75°
49°
4
74°
53°
5
71°
53°
6
70°
49°
7
73°
48°
8
76°
54°
9
73°
47°
10
73°
48°
11
74°
54°
12
72°
50°
13
69°
45°
14
69°
55°
15
71°
56°
16
77°
49°
17
74°
44°
18
67°
43°
19
64°
42°
20
63°
44°
21
65°
42°
22
69°
46°
23
66°
43°
24
64°
42°
25
65°
41°
26
64°
42°
27
64°
42°
28
63°
41°
29
61°
40°
30
62°
38°
1
Hist. Avg.
64°
44°
2
Hist. Avg.
63°
43°
3
Hist. Avg.
63°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mayer
Mayer's September 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 38° and 56°. The average high for September is 69° with an average low of 47°. 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 Mayer. See also: October | November | December.
