S
M
T
W
T
F
S
31
79°
66°
1
79°
66°
2
68°
62°
3
85°
63°
4
77°
54°
5
66°
53°
6
75°
56°
7
78°
53°
8
64°
58°
9
83°
58°
10
79°
63°
11
87°
64°
12
92°
66°
13
89°
70°
14
84°
68°
15
88°
67°
16
89°
65°
17
73°
65°
18
78°
63°
19
84°
61°
20
82°
62°
21
81°
66°
22
83°
72°
23
73°
63°
24
77°
61°
25
82°
57°
26
83°
58°
27
87°
57°
28
88°
59°
29
81°
60°
30
82°
60°
1
83°
58°
2
86°
63°
3
87°
63°
4
85°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lehigh
Lehigh's September 2025 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 Lehigh. See also: October | November | December.
