S
M
T
W
T
F
S
30
68°
51°
31
69°
51°
1
71°
53°
2
71°
53°
3
65°
54°
4
65°
52°
5
63°
50°
6
64°
49°
7
64°
48°
8
70°
49°
9
71°
49°
10
70°
50°
11
70°
55°
12
68°
52°
13
67°
49°
14
63°
52°
15
63°
54°
16
64°
54°
17
66°
53°
18
68°
54°
19
69°
46°
20
64°
45°
21
61°
44°
22
61°
44°
23
62°
44°
24
60°
47°
25
61°
46°
26
61°
44°
27
60°
45°
28
60°
51°
29
61°
52°
30
64°
49°
1
66°
44°
2
59°
44°
3
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ammerland
Ammerland's September 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 42° and 55°. The average high for September is 65° 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 Ammerland. See also: October | November | December.