S
M
T
W
T
F
S
30
79°
63°
31
75°
59°
1
79°
55°
2
79°
55°
3
82°
54°
4
88°
61°
5
79°
57°
6
84°
50°
7
86°
64°
8
82°
59°
9
71°
45°
10
74°
48°
11
74°
49°
12
78°
53°
13
75°
55°
14
78°
52°
15
81°
55°
16
74°
50°
17
74°
48°
18
78°
51°
19
78°
52°
20
79°
53°
21
76°
54°
22
70°
54°
23
72°
53°
24
71°
52°
25
70°
50°
26
62°
47°
27
61°
53°
28
66°
48°
29
64°
45°
30
60°
46°
1
60°
45°
2
59°
47°
3
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in La Porte du Der
La Porte du Der's September 2026 forecast shows daily high temperatures ranging from 59° to 81°, with overnight lows between 45° and 55°. The average high for September is 71° with an average low of 50°. 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 La Porte du Der. See also: October | November | December.
