S
M
T
W
T
F
S
30
80°
59°
31
80°
58°
1
79°
53°
2
72°
52°
3
72°
52°
4
73°
50°
5
73°
50°
6
76°
58°
7
80°
58°
8
77°
57°
9
74°
57°
10
78°
56°
11
79°
56°
12
78°
57°
13
79°
58°
14
80°
47°
15
71°
47°
16
69°
48°
17
72°
47°
18
71°
46°
19
68°
47°
20
69°
48°
21
76°
52°
22
77°
53°
23
77°
44°
24
75°
43°
25
69°
43°
26
71°
46°
27
74°
51°
28
74°
50°
29
73°
42°
30
67°
41°
1
66°
41°
2
67°
45°
3
71°
48°
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 66° to 80°, with overnight lows between 41° and 59°. The average high for September is 74° with an average low of 50°. 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.
