S
M
T
W
T
F
S
30
93°
72°
31
95°
72°
1
97°
72°
2
98°
73°
3
95°
73°
4
95°
73°
5
92°
71°
6
95°
72°
7
89°
70°
8
88°
69°
9
90°
70°
10
93°
69°
11
94°
68°
12
93°
68°
13
92°
70°
14
88°
68°
15
90°
66°
16
85°
63°
17
81°
66°
18
80°
67°
19
79°
67°
20
81°
66°
21
82°
66°
22
84°
65°
23
86°
65°
24
84°
66°
25
80°
66°
26
82°
65°
27
83°
59°
28
77°
55°
29
76°
54°
30
77°
55°
1
76°
57°
2
78°
60°
3
76°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Poseys Crossroads
Poseys Crossroads's September 2026 forecast shows daily high temperatures ranging from 76° to 95°, with overnight lows between 54° and 73°. The average high for September is 85° with an average low of 65°. 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 Poseys Crossroads. See also: October | November | December.