S
M
T
W
T
F
S
30
81°
64°
31
83°
64°
1
85°
63°
2
83°
60°
3
79°
60°
4
80°
62°
5
84°
62°
6
84°
63°
7
85°
63°
8
85°
62°
9
84°
63°
10
84°
60°
11
83°
63°
12
85°
62°
13
85°
63°
14
78°
51°
15
73°
54°
16
75°
59°
17
74°
55°
18
73°
50°
19
72°
49°
20
74°
49°
21
75°
53°
22
79°
56°
23
79°
48°
24
72°
47°
25
70°
55°
26
75°
56°
27
77°
54°
28
77°
46°
29
68°
45°
30
68°
45°
1
68°
49°
2
75°
52°
3
76°
52°
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 68° to 85°, with overnight lows between 45° and 64°. The average high for September is 78° with an average low of 56°. 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.
