S
M
T
W
T
F
S
30
65°
57°
31
65°
56°
1
64°
54°
2
66°
55°
3
66°
57°
4
62°
57°
5
62°
55°
6
65°
54°
7
69°
56°
8
63°
52°
9
64°
51°
10
61°
52°
11
61°
50°
12
65°
48°
13
62°
53°
14
63°
49°
15
64°
54°
16
62°
50°
17
62°
50°
18
62°
52°
19
64°
57°
20
61°
54°
21
59°
44°
22
62°
41°
23
61°
50°
24
59°
45°
25
61°
44°
26
N/A
27
64°
43°
28
63°
51°
29
65°
50°
30
70°
57°
1
63°
57°
2
64°
52°
3
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Keitum
Keitum's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Keitum. See also: October | November | December.