S
M
T
W
T
F
S
30
85°
63°
31
87°
64°
1
89°
63°
2
89°
65°
3
88°
66°
4
89°
64°
5
87°
66°
6
88°
66°
7
88°
65°
8
86°
65°
9
82°
64°
10
85°
65°
11
87°
64°
12
87°
64°
13
86°
63°
14
86°
64°
15
85°
64°
16
86°
62°
17
86°
56°
18
79°
57°
19
82°
54°
20
81°
54°
21
77°
53°
22
76°
55°
23
77°
58°
24
83°
57°
25
83°
58°
26
82°
58°
27
83°
57°
28
82°
56°
29
81°
55°
30
81°
55°
1
78°
53°
2
80°
55°
3
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greenfield
Greenfield's September 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 49° and 66°. The average high for September is 84° 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 Greenfield. See also: October | November | December.
