S
M
T
W
T
F
S
31
77°
69°
1
77°
69°
2
77°
69°
3
78°
69°
4
83°
66°
5
85°
66°
6
87°
72°
7
83°
70°
8
76°
69°
9
75°
69°
10
77°
69°
11
76°
70°
12
76°
69°
13
76°
70°
14
74°
68°
15
73°
66°
16
69°
65°
17
77°
63°
18
75°
65°
19
78°
65°
20
78°
68°
21
78°
69°
22
75°
68°
23
84°
70°
24
86°
71°
25
87°
72°
26
89°
76°
27
81°
74°
28
76°
73°
29
79°
72°
30
77°
71°
1
74°
67°
2
71°
66°
3
72°
66°
4
74°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Germantown
Germantown'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 Germantown. See also: October | November | December.
