S
M
T
W
T
F
S
30
75°
51°
31
74°
57°
1
73°
57°
2
75°
54°
3
79°
60°
4
81°
53°
5
79°
51°
6
74°
49°
7
73°
50°
8
71°
56°
9
77°
53°
10
71°
49°
11
69°
46°
12
69°
47°
13
68°
50°
14
69°
46°
15
68°
45°
16
65°
45°
17
66°
43°
18
65°
44°
19
65°
43°
20
66°
44°
21
66°
44°
22
67°
50°
23
70°
51°
24
71°
51°
25
72°
50°
26
71°
43°
27
68°
42°
28
62°
50°
29
62°
47°
30
70°
47°
1
67°
48°
2
63°
40°
3
60°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greenbush
Greenbush's September 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 40° and 60°. The average high for September is 70° with an average low of 49°. 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 Greenbush. See also: October | November | December.
