S
M
T
W
T
F
S
30
89°
66°
31
89°
66°
1
90°
65°
2
90°
66°
3
89°
65°
4
88°
65°
5
88°
64°
6
89°
64°
7
89°
63°
8
90°
64°
9
90°
65°
10
89°
65°
11
89°
64°
12
88°
63°
13
89°
64°
14
87°
61°
15
88°
61°
16
86°
59°
17
87°
60°
18
88°
53°
19
78°
51°
20
78°
52°
21
82°
52°
22
82°
53°
23
84°
55°
24
84°
56°
25
83°
55°
26
83°
54°
27
79°
55°
28
81°
55°
29
80°
50°
30
77°
52°
1
82°
53°
2
82°
53°
3
81°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Green Field
Green Field's September 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 50° and 66°. The average high for September is 85° with an average low of 59°. 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 Green Field. See also: October | November | December.