S
M
T
W
T
F
S
30
87°
71°
31
94°
73°
1
96°
76°
2
91°
77°
3
94°
75°
4
93°
76°
5
87°
73°
6
83°
69°
7
82°
67°
8
85°
64°
9
87°
66°
10
94°
74°
11
85°
76°
12
86°
76°
13
88°
75°
14
85°
72°
15
79°
64°
16
81°
62°
17
89°
65°
18
88°
72°
19
83°
74°
20
89°
69°
21
82°
73°
22
80°
70°
23
71°
67°
24
69°
61°
25
70°
58°
26
72°
59°
27
74°
60°
28
75°
60°
29
77°
64°
30
83°
67°
1
82°
66°
2
83°
68°
3
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Poquoson
Poquoson's September 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 58° and 68°. The average high for September is 77° with an average low of 63°. 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 Poquoson. See also: October | November | December.
