S
M
T
W
T
F
S
30
84°
68°
31
83°
68°
1
85°
66°
2
78°
61°
3
77°
62°
4
76°
62°
5
76°
60°
6
79°
65°
7
83°
66°
8
83°
66°
9
82°
65°
10
83°
67°
11
84°
66°
12
84°
66°
13
83°
67°
14
83°
60°
15
76°
57°
16
73°
56°
17
74°
57°
18
72°
55°
19
71°
54°
20
72°
54°
21
77°
55°
22
77°
58°
23
78°
53°
24
79°
53°
25
70°
52°
26
71°
53°
27
73°
59°
28
76°
59°
29
76°
50°
30
69°
50°
1
68°
58°
2
69°
57°
3
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Overlea
Overlea's September 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 50° and 68°. The average high for September is 77° 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 Overlea. See also: October | November | December.