S
M
T
W
T
F
S
30
90°
70°
31
90°
70°
1
91°
69°
2
91°
70°
3
90°
70°
4
90°
69°
5
89°
68°
6
90°
68°
7
90°
69°
8
91°
69°
9
91°
68°
10
90°
69°
11
91°
69°
12
91°
68°
13
90°
68°
14
88°
66°
15
90°
66°
16
90°
64°
17
89°
65°
18
89°
60°
19
82°
56°
20
79°
57°
21
82°
60°
22
83°
57°
23
86°
60°
24
85°
61°
25
85°
60°
26
84°
58°
27
80°
60°
28
83°
59°
29
81°
57°
30
80°
58°
1
84°
58°
2
83°
57°
3
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yampertown
Yampertown's September 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 56° and 70°. The average high for September is 87° with an average low of 64°. 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 Yampertown. See also: October | November | December.