S
M
T
W
T
F
S
30
68°
59°
31
68°
57°
1
68°
55°
2
70°
55°
3
69°
59°
4
64°
57°
5
64°
55°
6
66°
50°
7
76°
60°
8
65°
54°
9
64°
50°
10
65°
50°
11
65°
52°
12
66°
54°
13
66°
55°
14
67°
55°
15
66°
55°
16
63°
50°
17
63°
51°
18
65°
52°
19
66°
51°
20
63°
53°
21
64°
53°
22
64°
54°
23
65°
54°
24
65°
53°
25
64°
52°
26
62°
50°
27
60°
47°
28
59°
48°
29
59°
48°
30
58°
51°
1
62°
50°
2
60°
48°
3
60°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fleckeby
Fleckeby's September 2026 forecast shows daily high temperatures ranging from 58° to 76°, with overnight lows between 47° and 60°. The average high for September is 64° with an average low of 52°. 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 Fleckeby. See also: October | November | December.