S
M
T
W
T
F
S
30
72°
51°
31
72°
53°
1
70°
50°
2
77°
44°
3
72°
45°
4
74°
50°
5
74°
52°
6
67°
51°
7
68°
47°
8
73°
44°
9
74°
46°
10
75°
51°
11
75°
49°
12
74°
41°
13
66°
43°
14
68°
52°
15
73°
44°
16
75°
42°
17
70°
40°
18
60°
39°
19
60°
38°
20
61°
40°
21
62°
40°
22
61°
37°
23
61°
36°
24
58°
35°
25
59°
37°
26
60°
38°
27
60°
37°
28
58°
42°
29
57°
34°
30
58°
40°
1
58°
33°
2
Hist. Avg.
62°
40°
3
Hist. Avg.
61°
40°
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 57° to 77°, with overnight lows between 33° and 53°. The average high for September is 67° with an average low of 43°. 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.
