S
M
T
W
T
F
S
30
78°
60°
31
77°
61°
1
82°
55°
2
77°
55°
3
77°
56°
4
78°
53°
5
76°
53°
6
79°
58°
7
81°
57°
8
78°
58°
9
81°
58°
10
77°
57°
11
79°
57°
12
80°
56°
13
80°
57°
14
79°
57°
15
80°
56°
16
79°
50°
17
75°
53°
18
70°
57°
19
77°
56°
20
78°
56°
21
76°
54°
22
76°
47°
23
72°
46°
24
Hist. Avg.
72°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
71°
48°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
70°
48°
29
Hist. Avg.
70°
47°
30
Hist. Avg.
70°
47°
1
Hist. Avg.
69°
46°
2
Hist. Avg.
69°
46°
3
Hist. Avg.
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Poughkeepsie Town
Poughkeepsie Town's September 2026 forecast shows daily high temperatures ranging from 70° to 82°, with overnight lows between 46° and 61°. The average high for September is 78° with an average low of 55°. 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 Poughkeepsie Town. See also: October | November | December.
