S
M
T
W
T
F
S
30
79°
65°
31
86°
70°
1
89°
73°
2
93°
73°
3
94°
71°
4
85°
69°
5
82°
67°
6
79°
59°
7
79°
60°
8
84°
59°
9
89°
66°
10
81°
62°
11
80°
58°
12
79°
63°
13
83°
57°
14
72°
50°
15
88°
54°
16
83°
70°
17
82°
69°
18
76°
63°
19
71°
62°
20
68°
61°
21
68°
57°
22
65°
56°
23
63°
56°
24
71°
52°
25
72°
44°
26
72°
48°
27
75°
44°
28
75°
46°
29
77°
55°
30
76°
62°
1
81°
62°
2
64°
51°
3
66°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Riegel
New Riegel's September 2026 forecast shows daily high temperatures ranging from 64° to 81°, with overnight lows between 51° and 62°. The average high for September is 73° 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 New Riegel. See also: October | November | December.