S
M
T
W
T
F
S
30
72°
55°
31
68°
54°
1
69°
51°
2
65°
51°
3
66°
53°
4
66°
50°
5
65°
49°
6
64°
48°
7
65°
52°
8
66°
50°
9
64°
48°
10
64°
50°
11
71°
50°
12
68°
49°
13
66°
52°
14
64°
52°
15
63°
49°
16
63°
46°
17
64°
46°
18
63°
47°
19
62°
44°
20
62°
48°
21
63°
49°
22
61°
50°
23
61°
49°
24
62°
48°
25
60°
47°
26
61°
44°
27
60°
45°
28
62°
44°
29
63°
45°
30
63°
47°
1
62°
47°
2
63°
49°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leer
Leer's September 2026 forecast shows daily high temperatures ranging from 60° to 72°, with overnight lows between 44° and 55°. The average high for September is 64° with an average low of 49°. 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 Leer. See also: October | November | December.