S
M
T
W
T
F
S
30
82°
67°
31
81°
67°
1
82°
63°
2
74°
60°
3
73°
61°
4
74°
59°
5
74°
59°
6
76°
65°
7
80°
66°
8
79°
65°
9
75°
65°
10
78°
66°
11
80°
65°
12
80°
65°
13
79°
66°
14
79°
56°
15
72°
56°
16
69°
57°
17
70°
56°
18
70°
54°
19
69°
55°
20
69°
57°
21
76°
58°
22
75°
61°
23
75°
53°
24
74°
53°
25
70°
52°
26
68°
53°
27
71°
59°
28
72°
59°
29
73°
51°
30
69°
51°
1
65°
56°
2
66°
56°
3
70°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greenlawn
Greenlawn's September 2026 forecast shows daily high temperatures ranging from 65° to 82°, with overnight lows between 51° and 67°. The average high for September is 74° 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 Greenlawn. See also: October | November | December.
