S
M
T
W
T
F
S
30
84°
64°
31
79°
63°
1
81°
57°
2
82°
54°
3
84°
52°
4
91°
59°
5
77°
59°
6
84°
54°
7
91°
61°
8
93°
64°
9
70°
50°
10
72°
43°
11
77°
48°
12
79°
46°
13
81°
52°
14
82°
59°
15
88°
55°
16
68°
55°
17
73°
48°
18
73°
50°
19
79°
46°
20
79°
52°
21
70°
48°
22
73°
41°
23
N/A
24
75°
46°
25
76°
47°
26
82°
52°
27
85°
56°
28
83°
56°
29
81°
56°
30
81°
59°
1
71°
57°
2
70°
54°
3
68°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lörrach
Lörrach's September 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 47° and 59°. The average high for September is 77° with an average low of 54°. 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 Lörrach. See also: October | November | December.