S
M
T
W
T
F
S
30
104°
73°
31
102°
70°
1
101°
72°
2
101°
75°
3
96°
75°
4
100°
75°
5
101°
72°
6
102°
73°
7
103°
71°
8
103°
74°
9
103°
78°
10
98°
72°
11
98°
69°
12
103°
73°
13
100°
74°
14
99°
75°
15
100°
77°
16
99°
74°
17
99°
72°
18
98°
70°
19
97°
68°
20
93°
70°
21
96°
68°
22
91°
69°
23
95°
68°
24
91°
71°
25
93°
64°
26
96°
70°
27
96°
67°
28
90°
68°
29
94°
71°
30
89°
69°
1
73°
67°
2
80°
67°
3
70°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Overbrook
Overbrook's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Overbrook. See also: October | November | December.