S
M
T
W
T
F
S
30
88°
49°
31
79°
50°
1
70°
55°
2
63°
56°
3
66°
45°
4
71°
45°
5
75°
48°
6
73°
49°
7
68°
51°
8
71°
50°
9
73°
50°
10
74°
50°
11
70°
50°
12
70°
49°
13
67°
51°
14
68°
51°
15
75°
50°
16
71°
53°
17
73°
52°
18
71°
50°
19
74°
51°
20
74°
53°
21
75°
53°
22
74°
52°
23
70°
52°
24
71°
50°
25
73°
52°
26
74°
53°
27
75°
53°
28
74°
52°
29
74°
53°
30
73°
52°
1
74°
53°
2
73°
52°
3
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Myers Flat
Myers Flat's September 2026 forecast shows daily high temperatures ranging from 63° to 75°, with overnight lows between 45° and 56°. The average high for September is 72° with an average low of 51°. 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 Myers Flat. See also: October | November | December.