S
M
T
W
T
F
S
30
87°
81°
31
88°
82°
1
87°
81°
2
87°
81°
3
88°
82°
4
87°
82°
5
87°
81°
6
88°
80°
7
90°
79°
8
89°
79°
9
89°
80°
10
88°
79°
11
89°
79°
12
89°
80°
13
88°
79°
14
89°
79°
15
89°
80°
16
88°
80°
17
89°
78°
18
88°
80°
19
89°
79°
20
88°
81°
21
89°
79°
22
90°
78°
23
89°
79°
24
89°
79°
25
88°
78°
26
89°
79°
27
89°
80°
28
90°
79°
29
89°
80°
30
90°
80°
1
90°
79°
2
89°
80°
3
90°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Red Hook
Red Hook's September 2026 forecast shows daily high temperatures ranging from 87° to 90°, with overnight lows between 78° and 82°. The average high for September is 89° with an average low of 80°. 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 Red Hook. See also: October | November | December.
