S
M
T
W
T
F
S
30
88°
67°
31
91°
68°
1
82°
61°
2
79°
59°
3
79°
58°
4
83°
60°
5
81°
61°
6
77°
55°
7
79°
60°
8
81°
61°
9
83°
63°
10
82°
58°
11
79°
59°
12
83°
60°
13
83°
60°
14
84°
62°
15
85°
63°
16
84°
61°
17
83°
62°
18
79°
61°
19
73°
62°
20
81°
61°
21
82°
61°
22
81°
60°
23
82°
60°
24
81°
58°
25
75°
56°
26
76°
57°
27
79°
58°
28
80°
57°
29
79°
57°
30
79°
56°
1
78°
57°
2
79°
57°
3
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greendale
Greendale's September 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 55° and 68°. The average high for September is 81° with an average low of 60°. 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 Greendale. See also: October | November | December.
