S
M
T
W
T
F
S
30
78°
63°
31
85°
56°
1
83°
50°
2
83°
57°
3
86°
59°
4
79°
64°
5
76°
63°
6
84°
56°
7
80°
61°
8
74°
55°
9
75°
48°
10
75°
54°
11
78°
51°
12
71°
47°
13
64°
48°
14
61°
44°
15
62°
42°
16
66°
49°
17
67°
47°
18
65°
44°
19
62°
43°
20
66°
44°
21
63°
49°
22
66°
49°
23
69°
48°
24
70°
49°
25
69°
48°
26
66°
48°
27
68°
49°
28
68°
49°
29
65°
48°
30
66°
47°
1
62°
42°
2
55°
39°
3
55°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Post
New Post's September 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 36° and 61°. The average high for September is 67° 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 New Post. See also: October | November | December.
